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Learn how easy you could tie really tight knots

This sympathetic lady teachs you a better way to knot shoelaces, grocery bags, balloons as well as super easy way to undo really tight knots. Attention the video is not suitable for everyone, because it includes how to tie a noose knot (sliding loop) which could be in the worst case scenario used for a suicide. On other hand for people not in dark thoughts it could be useful for hanging bottles and stuff...

Source: YouTube