Harmon J1 Triple Play Combo Trumpet Mute J1 Triple Play Combo Trumpet Mute Harmon invented the wow-wow mute and has one of the best models of this type of mute on the market today The "triple play" mute, is one mute that converts into a straight mute, a cup mute and a plunger mute Harmon invented the wow-wow mute and has one of the best models of this type of mute on the market today The "triple play" mute, is one mute that converts into a straight mute, a cup mute and a plunger mute