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