A few alterations to the profile were necessary to finalise the overall shape of the basket of the DMM Belay Master 2 and also to perfect the recess the clip fits into. The result is a piece of engineering beauty that offers a neat solution to a very real problem/danger. The clip can only be locked into place when the gate thimble has been tightened into the locked position. This acts as a double check that the biner is closed correctly and securely, and the plastic clip itself prevents the biner from being cross-loaded in action. Note: the Belay Master should never be used without the Clip in place.

There is another small but very important development with this carabiner - one that will, in time, benefit all our locking biner range. The keylock nose has been developed further so that the profile is flared and tapered. The result is a wider cross-section which allows greater side loading and push in strengths than ever before. The thimble or barrel of the auto-locking gate has a greater surface cross-sectional area of contact with the gate when loaded from any direction. Taper Lock™ Patent Pending system is a major step forward in the safety of locking carabiners.