Take a look at this system I found on the net if it works like it says it does you'll never need towels and you can play the bell keys
http://www.saxophones.co.uk/acatalog/Sax_mutes.html
Look around there are lots of ways to mute your horn
http://www.saxophones.co.uk/acatalog/Sax_mutes.html
Look around there are lots of ways to mute your horn