Black Diamond Magnetron RockLock carabiner

Black Diamond is one of the worst offenders in the area of biner-vation. We love their VaporLock screwgates for no-open scenarios, but we're replacing them with the Magnetron RockLock for this season's Denali slog. Reason? We don't need no stinkin' reason, but if you must have one, it's just this simple: no screwing. Now we're not against screwing in general, mind you, assuming appropriate conditions or, failing that, mutual consent between adults, in which case we are absolutely pro-screw. Ing.