Clinking glasses?

Question

Who knows why we cllink our glasses when drinking wine?

(I'll give the answer when I select the best try f no one gets it. So check back.)

Answer 1

I would like to know the answer to that question too.....

Answer 2

you don't,it's tacky. now, people often tap glasses to see if they are real crystal. (real crystal makes a resonant ring)

Answer 3

to toast