In theory, fly-fishing is a simple sport: Pick a body of water, choose a fly-fishing rod, select your “fly” (or bait), tie a secure knot, cast your line and, hopefully, land a fish on the other end.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Fly-fishing is fun because it’s hard. Yes, anyone can buy some spinning gear and hurl ...