Replacement Ball Screen for Vices Joystik The Ball Screen for the Vices Joystik vaporizer sits inside the heater's ball chamber to keep them firmly in place. Pick one up as a spare to replace the original. Official Vices Joystik Accessory This is an official Joystik accessory, straight from Vices, and is guaranteed to work with your vaporizer. Return policy We only accept returns for accessories within 30 days of delivery, if they are unused and unopened, or if they are returned with a vaporizer under our 14-day satisfaction policy. Shop more Vices parts and accessories.