This craftwork originated approximately 240 years ago. Poor farmers in those days came up with this technology to improve hemp by making it more durable and warmer. This technology has been inherited through the generations and has became the craftwork known today.

[Maeda Setsu Kogin Kenkyukai] : 1-1-40-2F Yasukata, Aomori-shi Aomori 030-0803 
017-735-5311

[Hirosaki Kogin Kenkyusho] : 61 Zaifu-cho, Hirosaki-shi Aomori 036-8216
0172-32-0595

[Iwaki Kacharazu Kai] : 1-18-3 Yoshita, Hirosaki-shi Aomori 036-1313
0172-82-3214

[Hiroko Takahashi]: 32 Zaifu-cho, Hirosaki City036-8216
0172-33-4783