ジャガイモから作られたバイオプラスチックの包丁 https://www.youtube.com/watch?v=lf9ZHW7fKBA&lc=UgzD6QWfKcqdk622U_d4AaABAg …pic.twitter.com/6POm4WDILn
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I love the sounds of your knife making. It was sad to see them silenced by bad stock music.
I so agree with you.
I love the sounds of sanding and hammering. I couldn't watch with the copyright free generic doot-doot "music". I will watch for more vids without music. 
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