What was the stated purpose of the triangular eyebolt found on the Greek mushroom anchor?

Answer

To trip the anchor from the bottom

The mushroom anchor, developed around 400 B.C., featured a triangular eyebolt at its crown specifically designed to facilitate the process of 'tripping' the anchor, meaning dislodging it when weighing anchor.

What was the stated purpose of the triangular eyebolt found on the Greek mushroom anchor?
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