Bicycle clampy hand

have a friend who’s missing one of the two hands generally required to ride a bicycle. Tired of watching him hunch over the handlebars to ride a bike, i resolved to create my greatest ever invention... Bicycle clampy hand!

The retail solutions to this problem cost a ton of money, require modification to the bicycle, and really arent that much better IMO. Bicycle clampy hand can be used with any bicycle without making any alterations to it. One of my design goals was that the user shouldnt have to attach anything to the bike in order to ride it.

One of my other design goals was that for safety reasons, Bicycle clampy hand should be able to be disconnected quickly and easily by the user without needing to reach over with the other hand. Whether by twisting the arm or through some other ingenious mechanism. This goal has not been met, as our test subject says it is not needed. In the case of a crash he says he can just drop the entire prosthetic arm off his nub. His primary concern was