How to capture black holes with Tongwei Kaikoule?

At present, there are many Tongwei feed as basic bait for fishing, but it can only be used as basic bait, and the effect is definitely not good. General feed accounts for 40% of the total nest material, and then fragrant bait such as milk fragrance, fruit fragrance and fishy smell is added, and state bait is added. Generally, the bait tastes like five grains. If it is a black pit, it is now a small medicine, depending on who has strong penetration and positive taste.