FIN ACCESSORIES FIN SAVER STRAPS - black, midnight blue, green, yellow, aqua blue, purple, pink - APRIFINSTR - u This is the most-ef昀椀cient 昀椀n saver. It avoids painful rubbing of the 昀椀ns against the heels, it saves a few millimeters if the 昀椀n is too large and maintains the 昀椀ns fastened on your feet thanks to its adjstable strap on the instep even in case of a violent impact. 53