| 摘要 |
PROBLEM TO BE SOLVED: To surely fish a fish attracted to a fish-luring part. SOLUTION: A sinker main body A is vertically moved through a fishing line B by a turning up action so that an upper fishing line side part 2 having a heavier weight balance around the fish-luring part 1 as a center is shaken downward, simultaneously a lower fishhook side part 3 having a lower weight balance is shaken upward and a point D1 of the fishhook D approaches the fish-luring part 1 with the shakes.
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