I use a buddy line. If there are obstructions, the buddy line should be very short, measured in inches.
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When towing a surface float and wanting a tether also, I put a brass ring on the float line and tie the tether to that. This allows me to run line through the ring as my depth changes, yet still only uses the one hand.
IMO, end the dive.....there's always tomorrow or another day...........What are you going to see anyway??......
IMO, end the dive.....there's always tomorrow or another day...........What are you going to see anyway??......
Fossils. Besides, diving is not all about what you see, although that is often part of the experience. For me, it's more about the feel of the water and the feeling of weightlessness.