Okay, this for your entertainment. It's possibly the most complete multitool ever made. Commissioned circa 1880, Solingen, Germany, as an advertising piece. If it ain't got it, you probably don't need it. Not sure if it comes with a dedicated Sherpa to schlep it around for you.
Wrench for square nuts, but not custom made. I believe it came with some old horse drawn farm equipment was in an old barn on our farm when we redid part of it. We had a lot of old horse drawn equipment that was converted to be pulled by tractors.
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