UMAMI bags by Yoshimi Ezura

Canvas bags

http://www.ebay.com/itm/UMAMIS-CANVAS-FABRIC-WORLD-Japanese-Craft-Book-/360208402858

http://www.scribd.com/doc/48550678/Umami-Spiral-Bag-Tutorial-by-Grrl-Dog

http://dneese.blogspot.co.nz/2011/02/tutorial-umami-spiral-bag.html

http://urbandon.blogspot.co.nz/search/label/bags  Also good draping& sewing

Leather bags

http://www.handmadejapan.com/e_/features_/eft006_01.htm

http://www.flickr.com/photos/theworkroom/5987609524/in/photostream/

http://www.flickr.com/photos/chocolateswirl/1384050225/in/photostream/