HK3+ Automatic Electric Cigarette Injector Machine Cigarette Roller MachinePlease select tobacco with appropriate humidity and length, and clean the discharge nozzle and compression chamber frequently! Long cut tobacco must be cut short with scissors before use! Fine cutting tobacco may block the machine! The system is upgraded, more humanized and faster. Power increased by 30%, effectively avoiding most of the clogging. Slightly jammingContinue to press the start button, and the machine will handle it by itself. Serious