Fukuro Nagoya obi or hassun Nagoya obi , is an obi that has been sewn in two only where the taiko knot would begin. The part wound around the body is folded when put on. The fukuro Nagoya obi is intended for making the more formal, two-layer variation of the taiko musubi, the so-called nijuudaiko musubi. It is about 350centimetres (11ft) long.