"Firefly uses small electrical pulses to stimulate the peroneal nerve (a nerve in your leg). This increases full-body blood flow. That means more fresh blood and oxygen to reduce lactic acid and soreness, eliminate toxins, and keep muscles flexible."
Just heard of these things, I'm surprised I haven't before if they are as game changing as they claim. Has anyone had any experience with them, if so, how effective are they? They've got Rupp and Seidel on the website, so maybe there are some real benefits?