To eliminate the need of making a user himself/herself perform the step of positioning a movable bottom plate and to simply regulate the user himself/herself to the normal use of an iron.

This iron 5 is provided with a fixed bottom plate 10 to which the movable bottom plate 14 can be engaged so as to guarantee safety use to both user and fabric to be ironed. The movable bottom plate 14 is brought into contact with the fixed bottom plate 10 by the help of an electromagnet 12 controlled by both or one of a using state detector 11 and a fabric property detector connected to a thermostat.