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During certain diving scenarios it becomes desirable to clip the light head such that the beam points down away from a team member’s eyes. In order to facilitate this need while reducing the complexity of multiple clips GUE procedures utilize the placement of a permanent clip on the handle of the light head and a loop at the rear of the light head. The rear loop allows the diver to temporarily clip a double end clip to the beck of the light head. I've been asked a few times how I tie the loop and thought it would be helpful to show the process.Start with a piece on bungy cord which is rigid enough to make a loop which will not bend. Tie a simple overhand knot in each end.
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Form a loop with this bungy - just loosely wound round in a circle - you are not going to tie it in a knot. Take some cave line and wrap it around the end of the ballast where the light meets the cord, over the nubgy loop. It is tricky at this point to keep it all neat and tight - but the tighter you can make the cave line the better the result will be.
I build up three wraps, trying to get the line to lie neatly round the ballast. At this point the bungy loop is not pulled tight so it is smaller than it will be when finished.
Then I tie a simple overhand knot on one side of the loop, cross over the ends to the other side and tie again - as tight as I can. This helps keep the finished loop perpendicular to the ballast which makes clipping off easier.
When I am content that this is OK, I cut the ends of the cave line and burn them to melt the ends into the knot. I can then take some pliers or strong fingers and pull the bungy loop out so that the end knots snug down on the cave line holding it all in place and giving me a loop big enough to clip into easily and quickly.
