Wallace TWC-M27C Sousaphone Practice
Wallace TWC-M27C Sousaphone Practice, Practice Damper for Sousaphone and F-tuba, Made entirely of aluminium, Plays one tone high, but is very well in tune with a free blowing natural sound, Length: 11.0 cm, Weight: 0.5 kg@+*Note:* For playing remove the bell from the sousaphone@+@+