The default connector on a TRUBLUE Auto Belay is a triple action, auto-locking carabiner on a swivel. The swivel automatically rotates to ensure the auto belay webbing does not become twisted during operation. By ensuring the webbing does not become twisted, the swivel maximizes webbing life and ensures proper retraction during the operation of your device. Conversely, eliminating the function of the swivel adversely affects the lifespan of your TRUBLUE webbing and may prevent proper retraction due to the twisting of the webbing at the nozzle location. In short, constraining the swivel is not an acceptable practice for how it may accelerate webbing wear and affect retraction.
This whitepaper explains the scenarios in which an alternate connection method is used instead of, or in conjunction with, the triple locking carabiner.