9 - 25 Figure 9-31. SEAT HIP RAPPEL (SHOWN WITH CARABINER WRAP DESCENDER) c. Site Selection. The selection of the rappel point depends on factors such as mission, cover, route, anchor points, and edge composition (loose or jagged rocks). Personnel working near the edge must tie in, and the rappel point must have– • Smooth route, free of loose rock and debris. • Good primary and secondary anchors. • Anchor point above rappeller’s departure point. • Equal tension between all anchor points. • Suitable loading and off-loading platforms • Double rope, if possible. • Long enough ropes to reach the off-loading platform.