What device is used to allow the anchor line to spin freely?

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Multiple Choice

What device is used to allow the anchor line to spin freely?

Explanation:
When the boat moves with wind and current, the anchor line or chain can start to twist. A swivel is a joint with bearings that lets the rode rotate freely, so the line isn’t twisted or kinked as the boat swings. This reduces wear on the line and helps the anchor stay aligned as conditions change. The other items have different roles: a cleat is for tying lines to the boat, a buoy marks a location, and a shackle connects components but does not primarily provide free rotation.

When the boat moves with wind and current, the anchor line or chain can start to twist. A swivel is a joint with bearings that lets the rode rotate freely, so the line isn’t twisted or kinked as the boat swings. This reduces wear on the line and helps the anchor stay aligned as conditions change. The other items have different roles: a cleat is for tying lines to the boat, a buoy marks a location, and a shackle connects components but does not primarily provide free rotation.

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