Isome – A soft, biodegradable hook bait which is generally worked slowly on LRF tackle. The name comes from the Japanese word for sand worm and these baits or lures are generally worm shaped.
HRF – A method of fishing from the shore with artificial lures or baits on light tackle. Originated in Japan and came onto the UK scene via anglers in Jersey. Targets mostly wrasse, pollack and bass.
False casting – When fly fishing, a forward casting action used to gauge the ideal distance of a cast or to increase the speed of a line and resultant distance.
Fast-action rod – A rod with a stiff butt and mid section with most of the bend in the tip.
Filleting knife – A thin bladed, sharp knife used to clean and fillet fish or cut squid and fish baits.
Fighting chair – A swivel chair bolted to the deck of a big-game boat. The angler is strapped in by a harness and either the harness or the chair is equipped with a butt pad or rod socket.