Divination by means of salt: Today, alomancy is practised by some people when respond to spilt salt on the table by throwing some over their left shoulder so that bad luck will go away (a variant of "halomancy"). The diviner interprets future events from the patterns made from the sprinkled salt.

The use of salt in various divinations, probably dated from its ancient use as an offering to pagan gods, because of its scarcity and necessity.