YY Vertical Duo Training Grip Foray To give you added confidence

To give you added confidence on difficult traverses

two phalanges

or other bumpy surfaces

as attachments can self-centre under load with minimal movement from the carabiner

YY Vertical Duo Training Grip Foray To give you added confidenceThe Duo is the minimalist, ultra lightweight device for strengthening one finger or two. Designed to isolate muscular and tendon work precisely, it features a 25 mm bi finger grip and a perfectly calibrated mono finger. Its compact size fits in the palm of your hand, but it unfolds its full potential as soon as you hook it onto a branch, a quickdraw, or simply use it on the ground with a weight or a bungee cord. Made from recycled rubber wood, it