Denis Wick euphonium practice muteIntroducing the Denis Wick DW5512 euphonium practice mute This mute has a black anodised Scotchbrite finish, which gives it a high quality look that makes it popular amongst many euphonium players. Most practice mutes are infamous for their deficiencies in pitch, intonation and excessive resistance, but through careful design, Denis Wick has created a practice mute that stops nearly all sound while still retaining a stable pitch, accurate intonation