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