Ah the tales that a mermaid will tell you but this one is true. Not only can your monofin be used as part of your mermaid tail costume but it can and has been used for fitness training. In fact, they are regularly used by competitive swimmers to build up their muscles and increase their stamina.The benefits of using a monofin are not only limited to those practicing their dolphin and butterfly kicks. The muscles used when training with a monofin helps all swimmers refine and tone their swimming muscles. And for those who have need for speed. Monofins are a swimm
