This product is suitable for a of archery releasers, action correction and back strength exercises. Bring your own horizontal , and keep the horizontal beads in a reasonable range, so that the archer can keep balance and exercise. the bow handle, create a real grip according to the bow shape, and better improve the archery level. Made of high-quality PLA material, it is durable and has a better experience. Installation instructions: three 20cm-long ring ropes on average, put them into three threading holes, and then use side screws to clamp them. Name: archery releaser Material: PLA Color: black Size: about 14 x 6 x 2cm Product weight: about 60 grams Package Contents: 1 x Archery release trainer 1 x Ring rope 1 x Lock retaining ring 1 x wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.