How to Tie in a Peep Sight So It Never Slips

Gather simple tools to protect your bowstring

You do not need a workshop full of expensive bow tuning gear to tie in a peep sight securely. You only need a few basic items that keep the bowstring safe from friction burns and sharp edges while you work. Having everything ready on your table keeps you from letting go of tight wraps halfway through the process.

Before you begin, collect these items:

• Serving thread: Strong braided bowstring cord made from braided nylon or high-strength polyethylene. Standard 0.020-inch to 0.024-inch diameter thread bites firmly into the string strands without slipping.
• Bowstring wax: A stick of natural or synthetic wax. Coating your thread helps the wraps grip each other and prevents loose knots.
• Blunt separation tool: A dedicated plastic bowstring splitter or a smooth, rounded wedge. Never use a metal screwdriver, pocketknife, or sharp steel rod, which can cut individual string fibers under tension.
• Sharp utility shears or fresh razor blade: Clean cuts prevent frayed cord ends that refuse to lay flat.
• Standard pocket lighter: A reliable butane lighter creates the controlled heat needed to mushroom the cut ends.
• Two wooden dowels or pen barrels: Wrapping the cord around smooth handles lets you pull knots rock-hard without cutting your bare fingers.

Shooters often wonder if standard household sewing thread or dental floss can work in a pinch. Regular sewing thread snaps easily under the violent vibration of a compound bow release. Unwaxed dental floss is slick and stretches under heat, meaning your sight will shift after a dozen shots. While waxed dental floss can serve as a temporary emergency patch to get you through an afternoon hunt, replace it with proper braided serving thread as soon as you reach home.

Set your peep height at your natural anchor point

A peep sight only works if it aligns directly with your eye the second you reach your consistent shooting posture. Tying the knots before confirming this height forces you to crane your neck or tilt your head up and down. That bad posture destroys your downrange consistency and ruins your sight picture.

Find your natural peep height by following this simple drill:

• Nock an arrow and point the bow safely toward a target butt or backstop. Always use an arrow during this check because an accidental release without an arrow will destroy your bow limbs.
• Close your eyes completely before drawing the string back.
• Pull back to full draw, which means drawing the string fully back until your release hand settles into your regular anchor point along your jawbone.
• Relax your neck, rest your nose lightly against the bowstring, and settle into your normal grip.
• Open your aiming eye. Look directly through the string without moving your head, chin, or neck.

The circular opening of the peep should center naturally around your front sight housing. If you find yourself searching for the pin ring, the peep sits too high or too low. To move it, relax the bowstring tension slightly and slide the peep along the strand split with your fingers. Never force a peep to slide along a bone-dry, fully tight string, as friction can burn the inner strands. Once your sight picture centers instantly upon opening your eye, use a soft silver marker or wax pencil to mark the string right next to the peep body. For archers still dialing in their front pins, reviewing how to use a bow sight with better accuracy helps you understand how peep centering affects your downrange arrow groups.

Tie constrictor wraps above and below the peep

You do not need a bow press, which is a clamp tool that takes tension off the bowstring, just to tie the securing knots. A press or a string splitter is only necessary when you initially insert the peep between the string strands. Once the peep sits between two equal bundles of string fibers, tying happens while the bow remains fully strung and under tension.

To lock the top and bottom crooks of the string split so the peep cannot slide vertically, follow these steps:

1. Cut a piece of serving thread roughly 20 inches long. Rub a light layer of bow wax along its entire length to make the cord tacky.
2. Start approximately three-quarters of an inch above the top of the peep. Wrap the cord around the bowstring bundle and tie a firm overhand knot, leaving a two-inch tag end, which is the loose leftover end of the string.
3. Wrap the long end around the back of the bowstring and tie a half-hitch knot. Pull it firmly toward you.
4. Alternate your knots. Tie the next half-hitch on the opposite side of the string, pulling it equally tight. Alternating sides keeps the wrap straight and prevents the knot from spiraling around the bowstring like a candy cane.
5. Continue tying alternating half-hitches downward toward the peep. Pack each wrap tightly against the previous one using your fingernail so no raw bowstring shows through the gaps.
6. Drive the final three wraps directly into the small triangle where the bowstring splits apart to cradle the peep. This wedge of thread prevents the peep from creeping upward during repeated shots.
7. Finish the wrap with a square knot pulled down hard. Wrap the loose ends around your wooden dowels so you can apply heavy leverage without cutting your skin. Pull until the thread turns slightly translucent from tension.

Repeat this identical process on the string section directly below the peep, working from the bottom upward toward the lower crook. When finished, you will have two solid collars of thread holding the peep securely between them.

Wrap the perimeter groove to lock the peep completely

Top and bottom collars keep the peep from sliding up or down, but they do not stop the peep from popping out sideways. Modern compound bows produce massive forward shock when the string stops. Without a perimeter wrap around the outer waist of the peep, the sight can launch forward out of the string and cause serious facial injury.

Secure the perimeter channel using this wrap sequence:

1. Cut a fresh 18-inch length of waxed serving thread.
2. Seat the center of this new thread directly inside the recessed channel running around the circular outer edge of the peep sight.
3. Wrap both ends all the way around the peep body twice, pulling the thread deep into the channel. Keeping the thread inside this track ensures it will not snag on clothing or brush.
4. Bring one end of the cord around the left bundle of bowstring strands and the other end around the right bundle.
5. Tie an alternating half-hitch on one side of the peep waist, cinch it tight, then cross behind the peep and tie another half-hitch on the opposite side.
6. Make two complete passes around both string bundles to cinch the strands tightly against the peep housing.
7. End the wrap on the back edge of the peep with a tight double knot. Pull with steady, firm force using your dowels to seat the knot deeply against the metal frame.

Check the peep housing from the side. The braided cord should sit flush inside the metal groove without overflowing the edges. The string strands should pinch cleanly against the peep body without any bunching or pinched loops.

Melt tag ends flat without touching the string strands

Leaving loose tag ends dangling from your peep looks messy and creates snags that can unravel your hard work. Trimming them flush with scissors is not enough because bow vibration will eventually pull the thread tail through the final knot. You must melt each tag end into a flat, solid bead that physically cannot slip through the knot opening.

Open flames near modern synthetic bowstrings require extreme care. Bowstrings are made of specialized polyethylene fibers that melt at surprisingly low temperatures. A direct touch from a lighter flame can sever load-bearing strands instantly, causing explosive string failure on your next draw.

Protect your bowstring while finishing your knots by using this safe technique:

• Trim the leftover cord ends with sharp shears, leaving an eighth of an inch of exposed thread sticking out from the knot. Do not cut it completely flush yet.
• Shield the main bowstring strands with a metal teaspoon, an old butter knife, or your broad thumb placed firmly between the tag end and the string bundle.
• Flick your lighter and hold the flame a short distance away from the thread. Slowly bring the heat toward the cut fiber. Use the side of the flame or radiant heat rather than holding the yellow flame directly against the cord.
• Watch the fibers melt down toward the knot base. As soon as a small, glowing ball forms, pull the flame away immediately.
• Lick your fingertip or use the flat metal side of the lighter body to press the hot ball flat against the knot. This creates a smooth mushroom shape that locks the wrap permanently in place.

Inspect every knot after melting. The flattened bead should sit tight against the outer wrap. Run your bare thumb across the completed serving to confirm there are no sharp, scratchy edges that could catch your face or nose during shooting.

Fix peep rotation so your sight window stays straight

Even a tightly tied peep can rotate sideways, which means the sight window turns at an angle instead of facing your eye squarely at full draw. Peep rotation is common on new bows or fresh replacement strings because the inner fibers need time to settle under tension. A brand-new string often requires 100 to 200 shots before the strands stop stretching and twisting.

If your peep turns sideways when you pull the string back, check and correct the issue using these adjustments:

• Inspect your string strand split: Count the individual strands on each side of the peep. If your string has 24 strands total, you need exactly 12 strands on the left and 12 strands on the right. An uneven split, like 10 strands on one side and 14 on the other, creates unequal tension that pulls the peep sideways at full draw.
• Adjust your D-loop: The D-loop, which is the nylon rope loop clamped to your string where your release attaches, acts as a steering wheel for the peep. If the peep is only slightly crooked, rotate the base of the D-loop around the center serving toward the side you want the peep to face. Tighten it down hard with needle-nose pliers so it pulls the string straight as you draw.
• Add or remove string twists: If the peep turns 90 degrees or completely backward, adjusting the D-loop will not solve it. Take your bow to a local shop or place it in a bow press to relax the string. Adding or removing a half-twist at the top bow cam alters the string rotation and brings the peep window back to center. Archers setting up specialized rigs like the best bow sight for Mathews bows often rely on fine string adjustments to keep their sight picture square.
• Attach self-aligning tubing: If you shoot an older string that constantly rotates with changing weather, install a peep sight fitted with silicone alignment tubing. The flexible tube anchors to your bow cable and pulls the peep perfectly straight every single time you draw back. Bowhunters relying on the best bow sight for treestand hunting frequently prefer tubing setups to avoid twisted peep surprises in freezing temperatures.

Choose durable peeps and flexible tubing for easier alignment

Securing your sight becomes much simpler when you start with well-designed bow accessories that match your shooting style. Peep sights come in several styles, from lightweight composite models to precision-machined aluminum housings. Selecting an aluminum peep with deep, cleanly cut perimeter grooves ensures your braided serving thread bites securely into the channel and stays put through thousands of shots.

When selecting a peep sight, look closely at the aperture size. Smaller openings, such as 3/16-inch diameters, provide crisp centering for precision target shooting in bright daylight. Larger 1/4-inch openings allow extra light into your eye during early morning or late evening hunts, helping you pick up your front aiming pins quickly. If your bowstring suffers from persistent rotation issues, look for peep kits that include high-impact silicone tubing. Premium silicone resists drying out, rotting, and snapping in cold weather far better than standard thin rubber tubing, giving you dependable alignment shot after shot.

1

13 FT Peep Sight Tubing Archery Peep Sight Replacement Tube

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• ARS Mark

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  9.4
• Brand
  NATUMER

Key specs3

Material

High-impact silicone

Aperture Fit Range

Designed to slip over standard 1/8-inch, 3/16-inch, and 1/4-inch peep fittings to keep alignment straight on compound bowstrings.

Supplied Length

• Two 6.5-foot silicone tubing sections
• Total length of 13 feet

Pros & cons42

Pros

• Pliable silicone construction resists cracking and dry rot over extended compound bow use
• Generous 13-foot total length supplied as two 6.5-foot sections offers ample material for multiple replacements
• Engineered to stretch and fit common 1/8-inch, 1/4-inch, and 3/16-inch tubing peep sights
• Automatically pulls the peep sight straight at full draw to prevent sideways rotation

Cons

• Includes only the flexible tubing without a peep sight aperture or bowstring connector
• Requires compatible barbed peep sight posts rather than grooved string-only peeps

2

SOPOGER Archery Peep Sight 3/16 Tube for Compound Bow With

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• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  8.6
• Brand
  SOPOGER

Key specs2

Peep Size

3/16-inch aperture

Hardware Included

• Two peep sights with inclined string slots
• Two peep alignment tubes
• Two attachment buckles

Pros & cons42

Pros

• Includes two 3/16-inch peep sights paired with alignment tubing and attachment buckles
• Angled peep design promotes clear sight alignment with the bow target pin at full draw
• Deep perimeter string slot helps seat strands firmly to prevent the sight from slipping out
• Molded from wear-resistant high-impact rubber and plastic to reduce dry rot and cracking

Cons

• Fixed 3/16-inch aperture size cannot be adjusted without swapping the peep body
• Buckle and tubing connection adds slight forward vibration and physical drag upon release

3

SPG Archery Peep Sight, 1/4" 3/16" Aluminum Peep Sight or

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• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  8.4
• Brand
  SPG

Key specs3

Peep Housing Material

Black coated aluminum

String Installation Aid

The included bowstring splitter separates fiber bundles evenly so you can insert either the 1/4-inch or 3/16-inch peep into the string core.

Groove Design

Convex interior maintains a round sight aperture at full draw while radial perimeter grooves hold serving thread wraps locked.

Pros & cons42

Pros

• Includes both 1/4-inch and 3/16-inch aluminum peep sights for broad target or hunting options
• Comes with a dedicated bowstring splitter tool to separate strands without needing a bow press
• Non-abrasive surface coating shields individual bowstring fibers from friction and premature fraying
• Radial string grooves seat serving thread tightly for a secure, slip-resistant tie-in

Cons

• Lacks an alignment tube, requiring proper string twist management to prevent peep rotation
• Aluminum body adds minor mass to the bowstring compared to plastic alternatives

Last update on 2026-10-01 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API