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A rubber has a property to get stronger when it increases it's bulk. This rubber band is attached with 10 pieces, so user can detach each piece to control the strength of the band as they want. It makes it possible that the rubber band could be used for various purposes in our life.
For example, as you detach more rubber bands, you can band stronger objects. And you can easily open a jar which is hard to open with all of 10 attached pieces of rubber band.
Jochiwon, Chungcheongnam-do, South Korea
Daejeon, South Korea