Whatever the term used to designate the breathing tube or snorkel snorkeling is often used for mated to a mask placed on his face to see under water and scuba fins placed on the feet to push against. A hook placed annularly around the tube allows you to set the snorkel to the strap that secures the mask to the diver's head.

In the bottom of the tube rubber nozzle to adapt the teeth and the shape of the mouth to form tight grip the tube and thus prevent the swimmer to swallow water. Cold water may need a wetsuit. Combining these elements can be seen snorkeling underwater world for long periods of time with relatively little effort.