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