Craft bait using 1 Bug Meat to make 5 bait
Buy bait from the Fish Shop after unlocking it
Equip a fishing rod that supports bait
Open your inventory
Select the bait
Place it on the fishing rod in the bait slot
Cast your line as usual
Catch fish faster because bait reduces wait time
Remove bait by dragging it off the rod if needed
Use Wild Bait with the Fiberglass Rod or Iridium Rod for different effects
Use Magnet instead of bait only if you want treasure-focused fishing