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