A surge in shark attacks on Maui over the past year, including two fatal ones, hasn't stopped people from surfing and swimming in the warm ocean waters that surround the Hawaii island.
But it has spurred sales of devices that claim to keep sharks away by emitting an electric pulse.
Users strap the devices to their ankles, wetsuits or surfboards. Some are about the size of an oversized watch, others the size of a wallet. They range in price from $399 to $649.
Some shark experts say the devices may help, but it's questionable whether they will repel large sharks.
The sales spike comes as there have been eight attacks in Maui waters last year. Statewide, there were 14 attacks in 2013; 11 in 2012 and three in 2011.