The Omni Swivel Gas Switch Block allows a diver to change between two separate air tanks without having to remove their full face mask. The knob turns a full 180 degrees ensuring that there is no accidental switching during the dive. The knob pointing to the first position signifies that the air source closest to the outlet is in use.
Sherwood Open Heel Fusion Fins
In general, spring straps work great in the water and are easy to put on and take off. One of my bes ...