FWIW, here is what I did as I will not tolerate my cat biting anyone.  My
child was young and I didn't want any bad habits developing.  (Uh, from the
cat)

I believe that an *instant* negative reinforcement is necessary since MOST
cats will not learn a permanent lesson from a vocal "Bad Kitty".  That means
there isn't time to run for the pepper/alcohol/whiskey, etc.  He will have
forgotten why you are now shoving that in/at his mouth and he won't learn
that the FIRST bite was unacceptable, just the ones where your finger didn't
smell so good anyway.

So, whenever I was nipped for ANY reason, I INSTANTLY grabbed him and
covered his head with a pillow/shirt/towel/stuffed animal or whatever was in
reach.  I held him down very tightly and covered his head but good!  Think
smothering.  I don't want any negative comments here... I love my cat.  He's
now 14 years old, happy and in good health.  I wish I had his life.  I only
held him down for about 10 seconds... long enough for him to learn that any
biting would ALWAYS get that treatment.  Oh yes - I've almost forgotten
since it's been so long...  He doesn't bite now - then I would remove the
pillow and stick my finger in his mouth trying to GET him to bite me.  If he
did, another 10 seconds.  It was amazing how he quickly learned to clamp his
mouth shut.  You KNEW he got the message.  Again, he does not bite now.
Perhaps a nip once a year if we are playing roughly, but an instant reminder
sets him straight.

Your mileage may vary, but cats are smart and learn quickly.  If you are one
of those who let him bite for ANY reason and don't instantly punish him,
don't expect it to work.  That's called intermittent reinforcement and does
more harm than good because it teaches (confuses) him that it is OK to bite
sometimes but not other times and he'll never figure which is which.

This is basic psychology and works pretty well with most animals as well as
children.  The unvarying, instant reinforcement - not the smothering!

I pet

Really. I wouldn't give kitty a toxic chemical to disuade it from biting. I
have found with my little darlings a little cat language goes a long way in
manners. Cats like good manners. Cat langiage to say "stop, I've had
enough!!!" is to tap the offending cats forehead. It works like a charm. I
don't say bop them a good one, just a firm pat right on the forehead each
time the offensive behaviour is repeated. Really, It works. Chemicals and
force do not work very well. and they can be hazardous to kitty.

Crack

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