The squirrels are generally not in it for the tomato, what they really want is the water in the tomato. A lot of people (myself included) have eliminated or reduced the problem by having a birdbath or water display near the garden.
That's your livestock.
I'ma need a smaller lasso.
I call those sauce or soup tomatoes.
If you're fast enough you can get the ingredients for tomato sauce and meatballs at the same time :)
edit. sauce or soup meat.
You need to get a Victory Cat.
I actually have two, but the terms of their adoption require that the full extent of the victory be confined indoors. It's a sacrifice I'm willing to make for a kneading cat-doughnut on a cold day.
The country folk solution's a Victory .22 and a bored child who can aim OK.