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