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