Can the eight-character ring of visual anchor fish be used without heat shrinkable tube?

Generally speaking, it won't. It's not worth it if you have to save the slip ring, but it's more troublesome to take and pay off the line, so it won't be used like this. Visual inspection of fish anchor is an auxiliary tool, which is more suitable for beginners who have just learned to fish and can improve the chance of catching. /kloc-the resistance between 0/00 m and 50 m is definitely different, the line length is different, and the resistance when put away is also different.