So you would love to have an extra finger to hold things and do more with your hands? The Third Thumb is a wearable motorized digit controlled by your feet that lets you manipulate a wide variety of objects. It consists of a flexible thumb, two servos, batteries, and Bluetooth foot controllers.
Dani Clode is the maker behind this project. Whether you want to carry things, play musical instruments, or do more in the kitchen, such a device may help you out.