Review by: irie_mon, 2008-12-04
I like auto lockers, and I like the action on the DMM Boa. However the top of the twist lock creates a big edge, and my 10.5 rope slides around the inside of the biner and gets stuck on that edge. Occasionally, I look down and the biner is cross loaded. I don't really have to look down to know when it's cross loaded because I can feel the rope running roughly and sawing on that edge as a feed out or take in rope. To remedy the cross loading, I slap the biner.
The Boa is a strong biner and can withstand 12 kN while cross loaded, but I would rather be in the 28 kN orientation. As a result, I cannot recommend this biner. I'm looking for a replacement for mine. I might have to switch to a screw lock model to avoid a biner with a rope trapping edge created by the top of the twist lock.