It's probably been asked many many times before, but I can't seem to find the threads, so here goes...
What do you use to attach GriGris and Fig8/ab plates to your harness?? And more importantly, why?? Would the same argument/reasoning apply to other mechanical devices like the Shunt and the Stop??
I know something like the Petzl Freino is the recommended karabiner for GriGris, but I've heard equally many arguments for ovals, and against HMS's. I'm pretty sure all of the above are ok (Petzl just specify a "Locking Carabiner"), but what is "best practice"??
In reply to kyaizawa: DMM Aero HMS, nice and simple and works well, also pretty cheap. Almost any HMS will do the job fine. No need to get overly complicated.
In reply to kyaizawa: I really like the Petzl OK Oval for use with the Gri-gri, ascender and croll. It doesn't end up in a cross-loaded position either.
In reply to kyaizawa: There is a UIAA document somewhere that mentions using a HMS style crab for a fig 8 can be dangerous if it becomes cross loaded and that an offset D style is less likely to be cross loaded. I have personally seen a Gri Gri do exactly that and when it was loaded from a fall it made an almighty noise as it repositioned itself after getting stuck on the gate - the crab being used was a HMS!
In reply to Jonny2vests: The thing I personally witnessed was a gri gri used on a HMS. The crossloading by a fig8 is noted as a possibilty in a few documents on the internet.
I've heard of cases of cross loading because the HMS was clipped through waist an leg loop strong points instead of belay loop. The fig8 has a cramming action.
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