The Covenant of Salt ceremony is used in many Biblical traditions. Salt is referred to in the Bible many times, since it was a very important and valued commodity. There are many Biblical references to "the salt of the earth". The Covenant of Salt indicates a binding contract. In the Bible, when a contract was made, each party put a pinch of salt into the pocket of the other person. It was said that when each grain of salt could be sorted, identified, and returned to the rightful owner, the contract could be broken. Today, partners each take a vial of salt, and pour their salt into a container, joining the grains together for eternity. This tradition is popular with many religiously observant couples in place of the sand ceremony.