「N氏の結束器」特許取得済
3:58
Added: 3 years ago
From: cocolonet
Views: 4,929
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  • よく考えたなー

    arasisamawwww 1 year ago

  • すごい！（笑）。当初、紐を引いたときの摩擦熱で圧着か？？と思­ってたんですが、あまりの原理の単純さに笑ってしまいました。便­利そうですね～～♪

    iso8001 2 years ago

  • 便利そうですね

    AT455 3 years ago

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