Mango Spot&reg; Outdoor Hiking Black Spring Clip Lock Carabiner Hook 8 Pcs Spring-loaded gate for fast on/off, calabash shape. Aluminum alloy hook, Screw lock carabiner hooks. It can open and close easily as the spring-loaded gate makes it easy to attach important items to a belt. Ideal for holding bottle, pouch, small bag or items when traveling, cycling or camping. Note: Not for climbing or safety equipment.