Freaky 'Third Thumb' Prosthesis Gives Your Hands a Helping Hand

I Have No Hands: 4 Life Hacks I Use To Live An Awesome Life

If you lost your finger in an accident, what would you do with the finger? - Quora

Do you need a third thumb?

Extra Thumb

Iron Man-Inspired Prosthetic Hand Now Available

The Third Thumb Prosthetic

I was born with a double thumb but it was surgically removed : r/mildlyinteresting

The Third Thumb: Body extension at the forefront of haptic design

The Third Thumb - Dani Clode Design

The Third Thumb: Body extension at the forefront of haptic design