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