The "Happy Troller", Large, for 50hp+ - Davis

A fisherman's answer to correct trolling speed. Fits all outdrives and outboard motors. A most significant invention in the sport of troll fishing since the advent of the outboard motor. Trolls the big motors down to that "ever so slow" fish tantalizing speed. It's "troll fishing" perfected. Made of highest quality stainless steel and marine aluminum (no other metals used). Available in clear anodized aluminum alloy. Attaching hardware furnished, installs in fifteen minutes, mounts on the anti-cavitation plate. Locks in "up" position for cruising, locks in "down" position for trolling.