Suitable for adults, children, pets, check teeth, nose, throat, scalp root, and other body parts. Support Android and IOS Devices: Scan the QR code to download the "Suear" APP. The QUADPALM: this survival folding grappling hook is great for wilderness outdoor climbing activities, tree climbing, rock climbing, ice climbing, mountain climbing, outdoor adventure activities, grapple fallen objects, kayak and jet ski anchor, survival gear, boat anchor, log grapple, overland camping gear and rescue vehicle traction.