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