Dry Snorkel Fourth ElementSuitable for diving or snorkelling, this fourth element snorkel includes a splash guard and soft silicone mouthpiece. To take anywhere your adventure takes you. How to attach vour snorkel to a fourth element mask strap Once you have attached the strap to your mask, taking the second triglide clip on the strap, pull a small amount of the elastic strap through the buckle to create a little loop big enough to push your snorkel through and tighten to