I don't use one because I want my leader totally clear of the guides to facilitate getting the cast off quickly. The leader is usually longer than the rod which will leave a knot or two, the biggest ones, still inside the smallest guides of the tip section which requires extra care to get them out when one wants to cast. So I catch the fly on the stripping guide foot and loop the leader back around the reel and then to the tip top. Ready for quick deployment whether fresh or saltwater use.