One vertical unit fully looped with yarn. There are 17 lines at every section of frame. Search “서초오피▽『!OPOPGIRL17���COM』『오피오피걸』「서초OP」∂「서초휴게텔∂서초오피추천∂서초건마」∂「서초키스방위치∂서초안마」” from The Making of Screenplay: Part 4

Search “서초오피▽『!OPOPGIRL17���COM』『오피오피걸』「서초OP」∂「서초휴게텔∂서초오피추천∂서초건마」∂「서초키스방위치∂서초안마」”

One vertical unit fully looped with yarn. There are 17 lines at every section of frame.