Does amonia deter cats...

[Steve Firth]

It deters them if you squirt it in their eyes.

[Steve Firth]

Ah well, back to flaying them alive then.

[EricP]

Did you ever get the patent on that mechanical flayer?

[Andy Hall]

Well... you might think so. Our Maine Coon is enormous and approaching 8kg at less than a year (and isn't over-weight), but is as soft as ....

Yes that does work, as do pieces of orange peel.

Some cats enjoy water... (yes same cat - enjoys pond and comes in filthy.)

In general though, they do dislike water.

THe ultrasonic devices are mildly effective but won't deter a determined cat.

[Bob Eager]

Ours was a Maine Coon too. Yes, it was soft...but not when it came to foxes (and Dobermans).

Worked on him!

[dennis]

Yes you do. Millions every day just like every other person on the planet.