The Dive Rite Wing Retainer Loop is used in combination with SKU: DIV2814 Wing Retainer Hook on previous style Rec -EXP Wing.This style was changed to use gusset control bungee system at the beginning of 2013. The hook/loop system were used to retain the wing when being used for single tank diving to prevent the taco-effect. Each wing used 2 loops (attach to the waist webbing, on the harness).This is a plastic loop with a 2" (5 cm) wide slot to go over the webbing with a hole on the top portion to clip the hook into. The plastic Retainer Loop measures 2.25 x 1" (5.7 x 2.5cm) and weigh 0.2 oz (5.7g).