When a nail is hammered into an oak tree, it sends a blue vein up the wood.Submitted by Kwiercyski t3_127ss0a in mildlyinteresting
Kwiercyski OP t1_jegnl77 wrote
Reply to comment by Substantial-Pie1758 in When a nail is hammered into an oak tree, it sends a blue vein up the wood. by Kwiercyski
Interesting, I find Oak Galls all the time. I might try this just for the sake of it
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