Yates Gear 602 Zipper ScreamerYates Gear 602 Function: Shock absorbing sling designed to reduce peak loads in any climbing system!! Multi functional energy absorbing device. Screamers will provide added protection in climbing and rescue situations. Screamers not only absorb energy directly, because of the stitch ripping effect, they also allow your rope to absorb more energy from the fall by increasing the time interval of the fall. Screamers can reduce shock loading in any rescue