Make your downtime count.

A silent, pocket-sized resistance tool for building capable hands during idle moments.

$39.99 • Free shipping

Designed for thousands of quiet reps.


Lifetime warranty — no questions.

Bestseller

Get the GR-6

Commutes. Flights. Downtime.

At your desk or on the move.

No noise. No excuses.

Designed with intent

Every detail serves a purpose.

Built to last

Materials chosen for comfort and durability.

Lifetime warranty

Covered for life. No questions.