The Sharkbanz 2 Wrist/Ankle Band uses patented magnetic technology to help deter shark attacks when swimming, snorkeling, scuba diving or surfing. The 3-ounce Sharkbanz 2 will fit most people and is designed to annoy and deter sharks with an electromagnetic field that impacts a shark’s sensitive electroreception within the organs in its nose known as the ampullae of Lorenzini. The technology proved effective in a 15-month study in the waters of Western Australia, according to Sharkbanz. $94; sharkbanz.com
