Combine vinegar, steel wool, and coffee grinds to make wood stain

I got a kick on this one. Pretty cheap solution to make a simple woodstain to use. Me…I just get a $5 can myself…all pre-mixed and ready to go.

https://www.familyhandyman.com/woodworking/staining-wood/how-to-stain-unfinished-wood-with-used-coffee-grounds/