The Peak Design- Micro Anchor 4-Pack- Extra Micro Anchors for Leash,Cuff,Slide 4PK-AN-1 features leash, cuff, slide and clutch. Made from braided Kevlar cord, they can bear a weight of up to 100lb. By conveniently tying a cow hitch knot, anchors can be attached to any loop or D-ring. While the small circle on the other end of the anchor conveniently slides into the slot of the leash or cuff. Moreover, it can be easily released with just a push of a button. In addition to that, its minimal size is perfect for storage as well as portability.