Of course. Shen Ying nest material particles are hooked in winter, which can catch rubber band fish, bait herring and grass carp, and specialize in black pit giants, so they can catch grass carp. The natural and pure flavor of Shen Ying Granule acts on the olfactory organs of fish, and the unique amino acid attractant greatly improves the taste and palatability of this product, which makes the fish take the bait.