The Think Ink Pen is designed for people who fidget. It flexes with spring-like resistance, has a magnetic ball for sliding, and a spinner for your thumb to roll around. Think Ink was fully funded ...

People who fidget during conversations—tapping their feet, twirling their hair, fiddling with pen caps—are sometimes labeled ...

The gear shift is just such a fun concept to apply to this kind of multi-ink pen, and it could well make for a better fidget ...