A natural expression of dominance but mainly a form of play
it is called a scruff
its a vampire cat
Sounds like Flee bites.
the bumps could be a mild disease or places where fleas have bitten the cat. Oh it could also be where you cat has gotten in a fight.
Medicinal Plants Production from Peru
Doggie Weight Loss
How to Treat a Stiff Neck
How to Set a Routine for a New Cat