Controllable Third Thumb lets wearers extend their natural abilities

Humans Are Easily Able to Have a Third Thumb, Study Shows

Prosthetics

Robotic 'Third Thumb' use can alter brain representation of the

Want an extra arm? A third thumb? Check out these awesome robotic

Star Trek-Like 'Ai Pin' Launches Next Week for $699

Scroll ring by RCA graduate Nat Martin lets users easily interact

Controllable Third Thumb lets wearers extend their natural

Unveiling the Causes of Nail Product Lifting - NailKnowledge

☝ How to add a Third Thumb to your hands ?