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 the archery level.Made of high-quality material, it is durable and has a better experience.Installation instructions: three 20cm-long ring ropes on average, put into three threading holes, and then use side screws to clamp .Name: archery releaserMaterial: Color: blackSize: about 14 x 6 x 2cmProduct weight: about 60 gramsPackage Contents:1 x Archery release trainer1 x Ring rope1 x Lock retaining ring1 x wrenchOnly 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.