a.k.a. – Salt Pig and Salt Cellar.
These handy containers are designed to sit on the counter by the stove for quick access to salt when cooking. These aren’t the type you pinch out the salt with your fingers, but require a spoon instead. Just pick a measuring size you like, such a 1/4 or 1/8 of a teaspoon, so its easy to regulate your quantities. The salt tends to stay dry and doesn’t clump, probably because its covered and tends to get used more frequently this way.