I pressed a screen into the battery chambr from the end-cap side. That serves as a bowl; if you wish to remain highly mobile and still hit your bowl, pack the herb in the end cap and put a slight ammount in the bowl, the screw the end cap on and hold flame to drilled hole in end cap. The lamp/reflector assembly serves as the mouth piece (put your lips where the lens would go). Basically its a mini-mgalite chillum