Your edge.
Your anatomy.

Tailored with millimeter precision for optimal training.

Proto Edge Grip Trainer

One-of-a-kind
Just Like You

Each finger platform is varied in depth, height, and edge-size for optimal training.

Millimeter Precision
No Rulers Just Magic

Two photos, one click — your unique edges delivered. We handle the hard part 😉

Our Guarantee

Doesn’t fit? We’ll make you a new pair on us.

Why Custom?

Flat EdgesOpen Hand? Good luck!

A flat edge forces all your fingers onto the same plane, unevenly loading the index and middle finger, and making open-hand hangs all but impossible.

Edge Comparison

Generic "Ergo" EdgesA Recipe for Injury

Generic "ergo" edges lock your fingers into fixed positions, amplifying joint torque even minor misalignments, leaving you with injuries rather than uneven loading.

Edge Comparison V2