…are there??
a simple answer is all that is needed. try not to repeat a method if its already accounted for!
example:
-
dave whitlock crazy glue splice using a short length non tapered butt section. one end of the butt is the spliced itto the fly line, the other end is a loop (knot of your choice), for a loop to loop connection
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dave whitlock crazy glue splice using the butt section of the leader to the fly line
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cortland (homemade or any other name brand) braided loop for a loop to loop connection
try to keep this going to see how many methods there are.
please do not repeat a previous method