Duck Rope Clamp helmet Yosemite Valley is one of

Yosemite Valley is one of the best granite bouldering areas in the world

With photos by iconic climbing photographer Greg Epperson and AMGA Certified Rock Instructor Bob Gaines

Steel insert prevents premature wear from rope friction or bolt hangers

Strength: 14 kN (3150 lbf)

to tell the story

Duck Rope Clamp helmet Yosemite Valley is one ofKong design continues to inspire. Simplicity and function. The Duck is a rope clamp ascender that completely surrounds the rope or webbing for safety. The outside radius of the carabiner hole provides a predictable surface for consistent performance on rope as well as webbing for climbing and work positioning. CE EN567: 97 Certified Rope: 8mm 13mm Sling Dimensions: 10mm 15mm Weight: 70 grams