Tackle (the boat's instructions come first) Jigging rod / baitcasting reel (spinning for casting) / PE #2–4 / fluorocarbon leader #12–20 / jig 200–300 g (as Osaka Bay pelagic boats specify)
1. The whole rig
Match the jig weight to the boat. Osaka Bay pelagic boats: 200–300 g, baitcasting reel.
2. Drop
When the line stops, you are on the bottom.
3. Jerk
One rod jerk + one reel turn, repeated.
4. Once hooked, reel hard
Don't let it reach the reef. The first seconds decide it.