Junxing Comound Bow Releases Hunting Arrow Archery Accessory Adjustable Strap Shooting Practice With Trigger Wrist Strap Steel Caliper Adjustable strap , nice spare or starter release for bow hunting or target shooting. Features our Evolution buckle strap, the simplist yet most comfortable strap on the market Posi lock hook up for quick attachment to the string Clamp scattering of 360-degree automatic adjustment, sensitive trigger force arbitrary regulation, can be tight loose. Material: leather