GM CLIMBING 40kN Rescue Figure 8 Descender with Bent-Ear Rappelling Gear Belay Device BENT-EAR DESIGN! GM CLIMBING rescue figure 8 with bent-ears works as a versatile rappel device, the upgraded version of standard eight. LARGE MAIN SLOT! The principle slot is large enough for you to double or triple your single rope to increase frictions for slow descent. ROPE-FRIENDLY! Thick body largely decreases the abrasion or wear of rope to a minimum level. EASY LOCK-OFF! With bent-ear, locking yourself off with both hands free will be much easier and safer. 40kN STRENGTH! Sturdy and rugged rescue 8 for rescue, training, mountaineering, aerial silk etc.