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