Joint Turn Signal

Biking gloves often have reflective stripes, much like most other biking or jogging related items. The reflective areas are easily chafed off, though. When giving a turn signal with the hand while biking, i usually present the inside of my hand to the drivers behind me, likewise while gesturing. Reflective material on the inner side of the glove would not last long, as it is in constant contact with the handlebar.

So i propose to design the glove so it protects the reflective material within folds as long as the hand is closed around something. To signal, on has to open the hand.