Premier Equine Magni-Teque Magnetic Knee BootsMagnetic Horse Knee Boots can help to maintain health & mobility in the knee area. Magnetic Knee Boots Key features Made from breathable neoprene which moulds to fit the horses knee 11 magnets situated within the boot target the knee area Each magnet is a 600 Gauss high energy flexible ferrite magnet with 50mm plume field zone Use 30 minutes to 1 hour per day for the first week and gradually build up to 4 hours a day for optimum wear time Cannot be