Wind instrument practice accessory

An accessory co-operable with the mouthpiece portion of a wind musical instrument for use in practicing without the complete instrument, said mouthpiece portion having one end co-operable with the player's embouchure and the other end adapted for connection to the instrument, said mouthpiece portion having a generally cylindrical longitudinal bore therethrough, said bore having its largest diameter adjacent said other end, said accessory comprising, a base having a dimension larger then said largest diameter of said bore, and a plug mounted on said base and having a cross sectional area less than the cross sectional area of said largest diameter permitting the plug to project into the bore for a distance greater than said largest diameter of the bore, friction retaining means arranged on said plug and extending outwardly therefrom serving to engage the sidewalls of said bore adjacent said other end for maintaining the device in connection with the mouthpiece at a selected position so that the base is spaced a selected distance from said mouthpiece other end.