(R)EVOLUTION - CAPTIVE SYSTEM

The Captive system helps to keep the carabiner aligned in the right direction and reduces the risk of cross-loading. 

Cross-loading happens when a carabiner is stressed on its minor axis, where it is much less strong than on the major axis.

Plume Captive carabiner: 

Captive carabiner:

Grivel products with Captive system: Captive carabiner, Plume Captive carabiner, Alpine Plume Captive quickdraw, Sport Alpha Captive quickdraw, Beta Captive quickdraw