One vertical unit fully looped with yarn. There are 17 lines at every section of frame. Search “구로오피▽『!OPOPGIRL17���COM』『오피오피걸』「구로OP」∂「구로휴게텔∂구로오피추천∂구로건마」∂「구로키스방위치∂구로안마」” from The Making of Screenplay: Part 4

Search “구로오피▽『!OPOPGIRL17���COM』『오피오피걸』「구로OP」∂「구로휴게텔∂구로오피추천∂구로건마」∂「구로키스방위치∂구로안마」”

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