Details are as follows, a large drawing, please be patient:)
https://farm2.staticflickr.com/1483/23868051223_47eff6e4de_o.jpg
https://farm2.staticflickr.com/1585/24494851865_b92bf7756b_o.jpg
https://farm2.staticflickr.com/1451/23866663874_1d2fe8908d_o.jpg
Origin / manufacturing methods
Korea
