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27 sats \ 1 reply \ @RDClark OP 1 Mar \ parent \ on: Happy recovery day bitcoin
Just milled metal. Lots of less fancy ways. My personal punk rock version is just hammered washers. You can 3d print a jig to keep it clean too.
https://blockmit.com/english/guides/diy/make-cold-wallet-washers/
I thought about this method. It costs around $3 in my country if you already have hammer and stapms
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