WHEN YOU  SMOKE HEMP IT LEAVES A RESIDUE 
 TAR   INSIDE   THE  MACHINE,  WHICH   IS 
 EXTRACTABLE WITH THE  HELP  OF  A  METAL 
 ROD. BE WARY HOWEVER, THAT THE  HEMP TAR 
 IS NOT AS VISCOUS  AS YOU  MAY  THINK... 
 IT'LL  QUICKLY  GET  ON YOUR FINGERS AND 
 BOOBS... AND IT'S HARD TO GET  OFF. VERY 
    STICKY BUSINESS INDEED. MOST PEOPLE   
 JUST   GET   RID   OF   THEIR   MACHINES