| 摘要 |
A downrigger for releasably retaining a fishing line terminated by a lure and including a fishing line retainer for releasing the fishing line when a fish strikes. An alarm may be activated in response to the release. The downrigger is configured to reflect sonar signals for indicating the depth of the fishing line retainer. The downrigger is constructed to attach rotatably and removably to a cleat on a fishing vessel. The downrigger line may be electrically conductive to transmit the alarm signal on release of the fishing line.
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