31. The rope threads through the belay device. 32. The traditional self-belay system basically consists of two carabiners operated by the participants. 33. He replaced Nicolas Maurice-Belay after 87 minutes in a 2-1 defeat. 34. We would use the rope to belay down the two ladders that totaled about 50 feet. 35. Belay helped write the sterilization guidelines.36. ATC ) line of belay devices by Black Diamond Equipment are examples of passive belay devices. 37. ATC ) line of belay devices by Black Diamond Equipment are examples of passive belay devices. 38. Once the leader has set up the belay , the former belayer begins climbing the rope. 39. Ropes courses can be described as static, dynamic, vertical, and M-Belay . 40. While ladders can be used without a belay , this is unsafe and is not recommended.