Monofins were swimfins which were designed to move both feet at once. In this way, a swimming could move with both legs in tandem while efficiency and speed.
Monofins were swimfins which were designed to move both feet at once. In this way, a swimming could move with both legs in tandem while efficiency and speed.
Monofins were swimfins which were designed to move both feet at once. In this way, a swimming could move with both legs in tandem while efficiency and speed.