The DMM Boa is one of the biggest locking carabiners available. It is billed as the ultimate rigging biner and is used by climbers and high rope access technicians. The Boa is super strong and super tough so this makes it ideal for paddling. I’ve had two types of Boa as shown below. They are the essentially the same in design and weight but have different locking systems. The one on the left has the traditional screw gate and the one on the right has a lock safe gate system.

DMM Boa - Review

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