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