Scientific Anglers Saltwater Grand Slam ($85 scientificanglers.com
Slackline casts are great when you're dry-fly fishing for trout, but in saltwater fishing, a slackline cast means that you'll have to retrieve line before you can come tight to the fly, and that lapse in effective movement often means the difference between catching fish and just seeing them. Florida Keys guide Capt. Bruce Chard is a master of coaching the short cast to the batter on the deck, but he's still watched too many bonefish and tarpon swim right past a stationary fly due to poor presentation. To combat this problem, he designed his Scientific Anglers Saltwater Grand Slam line with an extremely short front taper that delivers excess energy to the fly so the leader turns over completely, and you can instantly swim the fly. The heavy head loads rods quickly for quick up-close casts, but a long rear taper (twice as long as most other saltwater lines) also helps you carry and control more line in the air for those opportunities where you actually get to make a hero cast. For more information, see the video below.