RYC had its annual swap meet yesterday and I paid $10 for all these little doohickeys. Or is the word spelled doohickies?

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And what, perchance, are these little cuties called and where might they find purpose on Dura Mater?

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All suggestions accepted, especially entertaining and silly ones. There is no reward, no Macapuno, although if you hurry over to Hedgehog on E Dock tomorrow/Sunday morning before 10 am there might be a slice of pumpkin pie in it for you.