Bowling finger

grabcad

The rubber part remains under spring pressure, causing it to deform around the finger hole. Upon pulling the cable lever, tension is released, and the diameter decreases, thus loosening its grip. This concept was sourced from a prosthetic supplier who charged over $700 (with a 40% discount), highlighting their profit-driven approach towards those in need; an affordable alternative using printed components and hardware store supplies could be made for under $100.