is not about HAVE BALLS, is about LAW, that realy have a PATENT on this fucking CHEYENNE CARTRIDGE sound complicate to produce some similar stuff in EUROPE

the only HOPE is that CHINESE COMPANY start produce some better NEEDLES CARTRIDGE, but very soon arrive, 100%, a couple of chinese supply already produce the DISPOSABLE grip for use the CARTRIDGE and they already at work for comeout with some more quality cartridge