Anyone use these for anything?

[Bvas]

Found a few of these laying on an access rd this weekend. In all my years stumbling thru the woods, this was the first ones I'd seen. Had to do a lot of google searching before I managed to find out what they were.

Kinda curious if y'all know what they are, and if you use them for anything?

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[Pat B]

Looks like an oak leaf gaul. No none use except to throw at someone.   

[outbackbob48]

Was told that the grub has a good flavor if eaten, also certain kind of wasp lays eggs on grub. Looked under  optic lens this weekend and seen eggs on grub, or another parasite not sure which but educational for sure. Oak Galls to the original question. Bob

[Bvas]

They are oak galls.

My understanding is the grub is a larvae of a nonstinging wasp. The gall is produced by the oak to fight off the intrusion. Supposedly high in tannic acid and can be used for tanning and staining. Also used for medicinal purposes in some cultures.

[GCook]

I chunk them into the street hoping the high heat of the asphalt will do them in.  I had to Google them as well.

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[flyonline]

Oak gall ink? https://www.instructables.com/id/Making-Iron-Gall-Ink/

[Yooper-traveler]

Get some cheap whiskey, drop at least 12 gall grubs in the bottle and let it sir a few weeks.  Drink the whiskey slowly "neat".

[Pat B]

Bream bait?