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What is the use of fishing buoys?

It is difficult to explain clearly the language of the buoy. It can only be said to be simpler. The functions of the fish float are: to transmit the information of the fish biting the hook to the angler through actions. According to the action of the fish biting the hook, the angler can Determine the species, size, etc. of the fish... It can also detect the depth of the fishing waters and display the position of the fishing bait hook. The fish float can also change the fishing method. The buoyancy of the fish float can be used to adjust the fishing group in the water. The location of the upper, middle and lower floors, etc.......