Faxx (USA) Trombone Aluminium Straight Mute with Copper Bottom
 
Faxx Trombone Aluminium straight Mute with Copper Bottom.   A straight mute is an essential item for any Trombone player and the copper bottom adds warmth to the sound when compared to the traditional all aluminium mute.
 
Faxx say "High quality Aluminium Straight Mute for Trombone with Copper Bottom at an affordable price.  Free-blowing with excellent intonation."
 
Faxx mutes are very popular in the USA and gaining ground in Europe and the UK.  Faxx offer a comprehensive range of Mutes for all Brass Instruments.
 
Made in the USA - not China.