PRO SNORKEL
-The Mad Wave Snorkel Trainer allows swimmers the ability to focus on stroke technique without the interruption of turning your head to breath.
-Allowing for a full range of motion this tool can be used for all strokes.
-Relax in the water and maintain body alignment to improve stroke efficiency.
-For starting using the trainer please mount the snorkel fixture on your head, put the mouthpiece to your mouth.
-You should blow in by mouth, blow out by nose.
-Pro snorkel has firm attachment to the head fixture and do not allow vibrations and snorkel movement inside the fixture. 
-New ergonomic mouthpiece used.