Uses a wire rope for mooring and springs and stainless steel wire rope, so it will not rust. You can twist the belt on your hand such as standing trees and poles to temporarily fasten it to your dog pole or spirus stick. When mooring use only mooring equipment, such as dog poles or spiral sticks, the hand belt can only be temporarily moored, but please be careful that the hand belt may tear if it is mooring for long periods of time, please be careful to install the mooring location of the dog pole or spiral stick to the dog to make sure there is no obstructions such as concrete corners. If there are such obstacles in the place, the rope may be rubbed and tear; the pet bites and damage the vinyl coating that protects the rope will weaken and shorten the life of the rope; Please be careful for pets with biting habits; the usage period will vary depending on use, but the fixture used as mooring is more damages than other equipment, so it is enough to thoroughly inspect metal rust, friction, vinyl coating for rust, crack, ped. Please replace soldering items as soon as possible for accident prevention without using soldering items, as it is estimated to use around 6 months to 1 year!