Why Is My Pinky Finger Numb? JOI Jacksonville Orthopaedic Institute Why Is My Pinky Finger Numb? JOI Jacksonville Orthopaedic Institute A dent on the pinky finger is often called smartphone pinky. It forms from regularly supporting heavy phones on the small finger. This repeated pressure can temporarily change soft tissue shape. Changing Vibrations were measured at finger contact locations (A: pointer, B: Download Scientific Diagram Is it Eds? When I straighten my fingers out I can never fully straighten my pinky finger (Ignore the green dots im a skin picker) Amazon.com: EDNYZAKRN Upgrade Pinky Finger Splint, Trigger Finger Splints for Little Finger, Pinky Brace Wrist Support for Carpal Tunnel Arthritis Tendonitis : Health & Household