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