DIY cracking iron trees

Construction of iron and iron mine construction with wide application in construction and homemade tools. As a DIY people we have to make one for ourselves to make tools. very convenient, can be broken and then open the ether to take it to some corner when it needs to be removed again.
Just a 150mm sized 3-piece steel ball bearing 1 acre and a 21 or 27 piece of iron as you like has been a perfect iron belt breaking tool.
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