How to wrap a bento in this particular style?

Hi!



I'm familiar with the usual bento furoshiki wraps but I got across a style with no explanation on how to do it.



Here is the picture:

http://cdn.shopify.com/s/files/1/0029/89鈥?/a>



Could anyone provide me with some hints on how to wrap it in this particular style? =DHow to wrap a bento in this particular style?
Try going to how things work.