DMM Belay Master Clip Black. It can only be closed when the gate is screwed shut. When closed the clip keeps the carabiner in its strongest orientation prevents devices and knots from moving onto the spine eliminates possible cross loading due to rotation. This feature makes the Belay Master the perfect belay carabiner for those new to belaying. Specifications for DMM Belay Master Clip: Manufacturer: DMM Color: Black Package Contents: DMM Belay Master Clip DMM A860-02: Belay Master Clip Black