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