2015 Ski Guide2015 Ski Guide


Avoid dangerous cross loading with the Master Clip

The DMM Belay Master Clip is an innovative, clip-on attachment that stops your belay device from shifting and cross-loading your locking carabiner. For added safety, DMM designed the Belay Master to not close unless the carabiner’s screwgate is locked.
  • Note: carabiner is sold separate

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DMM Belay Master Clip

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Here's what others have to say...

Unanswered Question

Would this work on the dmm big boa or...

Posted on

Would this work on the dmm big boa or sentinel hms

What are the dimensions of this belayer?

Posted on

What are the dimensions of this belayer?

Responded on

Gate opening: 20mm
Rope Bearing Surface Width: 10.9mm

These are the only dimensions I could find Tom. Hope that helps.

Responded on

Remember Tom, this is just the clip! If you are looking for the entire device, check out - DMM0054

5 5

Awesome belay tool

This clip is amazing to secure your belay device so that it does not travel around your biner and cross load making it way safer.

5 5


I love this biner clip, I have the old style Fat Boy. Prevents cross loading on the biner when the rope goes form slack to tight when the leader falls.
$8.50 Just the clip, biner not included. Does not work on my 2004 Petzl Attache SL, I recommend buying the DMM screw gate "fat boy".

will it work on a petzl attache locking...

Posted on

will it work on a petzl attache locking biner

Best Answer Responded on

Nope, just DMM carabiners.