I'm deploying a jump-line. It is used to leave hte main line to explore off the main route, or more importantly, to keep track of the main line while doing a lost diver search, as I'm doing in this skill. This is a critical skill in case your light dies, you loose your mask, or the cave gets silted out.

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All Images © Christopher S. Teren | Gallery Created Thursday, November 16, 2006