Why do cats lick my toes?
This has happened with 3-4 cats I've came to own in the past years.
They rub themselves against my feet, and if I'm barefoot/wearing flip flops, they start to lick my toes.
Why do they do that?
Many cats react to strong concentrations of human scent by wanting to rub against it, hence their infatuation with shoes and washcloths. Maybe your toes smell especially like you. Or smell like a kitten they should groom. Or maybe they're just looking for salt. You could try some experiments...
There's a couple explanations I can think of. The first is some cats tend to lick when they rub on you. So it may be just that they're rubbing on your feet because your feet are easily accessible, then licking naturally. The other is that some cats are attracted to shoes. I've had cats that like rubbing on and playing with shoes in particular. It may be they are particularly attracted to your feet as a result.
Well cats are attracted to our shoes because that's where most of our sweat goes during the day, so they carry our scent . They like to put their heads off in the shoes and put their scent on it. Our feet carry most of our scent so your kitty is probably just showing you affection and getting some salt as well lol