ITEM NAME:1PCS 6-Ring Portable Fishing Shrimp Crab Cast Trap Catch Crabs Tool Set 3c.The working principle of the crab trap is live knot, set crab feet, so the key is live knot. Crabs trap can be used over and over again. Because crab eats it is with bait to go, so float or pole moving range is very wide, see drift move or pole shake and then lift pole.
