Black Diamond RockLock Twistlock Carabiner t8 It can be tucked away

It can be tucked away in a bike bag

hard shell

but the main fabric itself is waterproof

Whistle attached for emergency purposes

The world's most waterproof/breathable membrane

Black Diamond RockLock Twistlock Carabiner t8 It can be tucked awayOur largest belay and rappel locker, the Black Diamond RockLock carabiner features a keylock nose, is Munter Hitch compatible and the autolocking twistlock sleeve can be operated with one hand. Now featuring a hot forged lightweight construction, a redesigned spine for better handling, and a larger rope bearing surface for greater durability, the RockLock is the go to screwgate for every day climbing season after season. RockLock Twistlock Carabiner