I wouldn't go under 2'. If you're eeling keep the rod tip high and you should be able to feel the eel come out of the water plenty before the swivel is close to the tip. Even on a dark night there is usually enough light to see how long your drop is. If you pay attention to it a few nights you should get the hang of it.
I've broken 2 guides doing this, but I learned
-spence
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