As an arborist, working requires locking carabiners and snaps. I have been using the Am’d for as long as there has been a locking option. I have seen many changes over the years. This is my favorite incarnation by far. It is lighter than many other auto lockers, and this version of the ball lock is my personal favorite.
The double auto locking ball is useable with gloved hands, which previous versions struggled to accommodate. I can refer the ball lock over the triact version due to the way they wear. I have had the triact fail to close when they get the older. This appears to be because of wear on the pin that aligns the key lock. This is a minor annoyance for me, because it is still usable for recreation.
The size is versatile. Large gate opening accommodates every thing I throw at it, without being as bulky as previous versions. The shape seems to stay oriented well compared to other binders I own.
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