There are a lot of way to tie girls. However for Japanese, boundage is an art. It is the way to put rope beautifully on girls body.
Today I am introduced to technique that called Matanawa. Matanawa literally means ‘crotch rope’. It is much simple and easier to do than Shibari. This is the tutorial: http://www.japaneseropeart.com/RopeArt/Mata_Nawa/index.html.