| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem that the fine pulling of a small fish could not be recognized due to the effects of weather, distance, water flow, and so on. SOLUTION: When a fish pulls a float, the body 1 of the float is not sunk, but a pulling portion 3 interlocked with a device is sunk to laterally open a pulling display portion 2. Thereby, the pulling of the fish can easily be recognized.
|
