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