HOW THE HOLE INFLUENCE ON ON THE LINE THICKNESS? We have three version - watch the movie. But remember that it works when cartridge has a sloped nozzle. ✨ the most popular position of the hole is a sideways. Machine iColor fly Cartridge BITECH #icolorpmu #icolorbitech #icolorpigments #icolorfly #pmumachine #pmudevice #pmubrows