Another use for my little Oxyturbo gas set.
An easy way to selectively harden a portion of a tool. - Without, in this case, having to remove the handle!
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Act Three - Tenebrous Brothers Carnival by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100642
Artist: http://incompetech.com/