Heila is a Japanese transliteration of Hera, a Japanese crucian carp. Because it originated in Japan, it is transliterated as Haila \ Heila fishing method, which is widely popular in Japan and has formed a "fishing technology culture" in Japan. This fishing method is mainly used to catch Japanese crucian carp in Japan, and the weight is generally one or two kilograms.
In the main shallow fishing method (floating fishing), there are two strands, and the sub-line is divided into two sections, which are tied to the eight-character ring respectively. The upper hook distance is only 6~8 cm, and the lower hook distance can be as long as 50 cm.