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