Had a stain on my sofa got this Shark Srain Striker .  What a unit !!  The Best Tough Stain Eliminator...Really did a NICE JOB !! Eaay to set up to use with the stain-striker dual activated  cleaning splytion sent with this stain remover.. 20 times more stain striking power.  3 tools supplied also for cleaning , crevice , bristle brush  , pet .  Designed for carpet and rugs but worked on my sofa too