I completely agree with Reg.
I've got a cheap bell. It's loudish and works in all weather The AirZound doesn't like it when it's cold or wet.
disentangled your bike from the impromptu game of roadside twister
Dunno - but my voice doesn't seem to be affected so no problem!
Neither does my whistle
Have given this a great deal of thought and decided not to contribute to any further Threads for the time being.
"The ACME police whistle, when you absolutely, positively have to deafen every mother fudger in the room!"