Common occupations such as cyclist, motorcyclist, and desk jobs prolong movement and elbow leaning. These activities involve pressure to the palms, which leads to cumulative damage to the nerve. When using a pizza cutter or similar hand tools which require downward pressure during use, applying upper body weight to push down on the tool over time can cause damage to the nerve.
Ulnar claw
Nintendo thumb
Pelvic digit
Seal finger
Jaipur foot
Boot 
Finger cot
Axon hillock