In fact, the size doesn't matter, the big one is easy to wear, and the small one has good concealment. This is also related to the length of the sub-line. A longer sub-line will remedy the problem of poor concealment, and the larger eight-character ring doesn't matter. Besides, the main line of 4.0 is carp fishing. If you fish crucian carp, you can use the main line below 1.0. Generally, the main line of 0.8 will do, and the auxiliary line will be halved. Beginners may break the line and run away, so be sure to throw and lift the pole hard. In jargon, they practice pole for three years and bait for five years. Learning, learning is endless!
Let's see what others say.