Mag Leash Magnetic Tether systemThe Mag Leash uses a micro leash in combination with the magnetic system that makes this the ultimate easy to use tether on the market. Leash your gear and break away when you need to use your tools, grips or other gadgets while on the water and then easily reconnect magnetically to your leash when done. The Mag Leash features a strong 8lb rare earth magnet with provides the strength needed to secure your gear.