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