I didn't find any thread specifically addressing this, so thought I would start one for collecting ideas. Here's mine - I'm the lucky recipient of a boat whose PO had some skill. I like the anchor cut-out which serves as ventilation too.
I think the pics are pretty self-explanatory.
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The back side showing the wood cleat at the base and the attachment doohickey on top.
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A blurry close-up of the receiving part of the doohickey.
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