Jeff wrote:

I have never heard of hearing protection for dogs, mine probably wouldnt tolerate
it anyways, but our french bulldogs fly with us all the time, no problems as of
yet.

My Scottie never flew at all. He was deaf as a post by the time he was
12.

George Patterson
Great discoveries are not announced with "Eureka!". What's usually
said is
"Hummmmm... That's interesting...."