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特許 権利維持 Hardware of the invention comprises two main foam blocks join by a hinge system . Uncommon foam material blocks turn into two positions : One unfolded (main) wedge-shape and one folded (secondary) cube-shape. Easy to understand on figures . In fact this is granted U.S. Design patent at the moment . Related & complementary applications, recently filed , are currently in process . The invention comprises a method for people's relaxation and dorsal stretch , back care and pain reducer . This is prone philisophy . Idea is to consent , stimulate and provide sustainability to the most natural human pose : fetal position ( yoga's childs pose ) , which consents a better gravity-biomechanical corporal disposition . Relaxation . The invention further enhanced the pose assumption through a serie of details in its design to favour gravity force use in order to stretch the back in its integity . This is no-ties, no-belts, comfortable set up for everybody's use device-support . Design and presentation improved ; it is thought for a home use where it is to fit well through its foldable combination solution . Patent is on auction , all rights + entire concept data for sale as for $ 48,000 . License possible too. I have plenty of information on website , at request . Contact through this site or gecub.neu@gmail.com