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