Check the listing for details. Strike Industries Clicker -Pocket Sized Index/Trigger Finger Trainer. Color: Black, Condition: New. Listed at 15.95 USD. Product Features: Pocket-sized index (or thumb) finger trainerAverage pull weight of 2.0 lbs. 2.0 oz.Ambidextrous for either right or left handRehabilitation and prevention toolTension release or fidget deviceDog training clicker for positive reinforcementEveryDay Carry (EDC) on a keychain or lanyardTarget and strengthen your index fingers with the Strike Clicker. Ambidextrous for either your right or left hand, this pocket-sized index (or thumb) finger trainer has an average pull weight of 2.0 lbs. 2.0 oz. For disciplines that can benefit from a strong index finger, individually training may be critical. You may be surprised how relatively weak your finger may be once you’ve tried clicking numerous times in a row. The Strike Clicker can be used as an index/thumb finger rehabilitation or prevention tool with constant use. Say hello to the itchy finger fidget device as a tension release or fidget device. Have some fun building as assembly is required but annoy everyone around you with hours of clicking fun. A simple and fun item on a keychain or lanyard as one of your EveryDay Carry (EDC) items. Say hello to the itchy finger fidget device. A bonus use of the Strike Clicker can be as a dog training clicker for positive reinforcement. Package Contents:x1 Strike Clicker left side shellx1 Strike Clicker right side shellx1 Lighter cover baseplatex1 Compression springx1 Extension springx4 Screws [M3x6mm]x2 Rubber pad