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