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