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