An exercise device that includes a main base and a pair of resistance members. The main base rests on a support surface. The pair of resistance members are replaceably attached to the main base to allow the device to be portable, are length adjustably attached to the main base to allow the device to be length adjustable, are resistance adjustable so as to allow the device to be resistance adjustable, allow exercising of both feet simultaneously without having to have the feet physically attached thereto, are activated by weight of the user, and are disposed on opposite sides of the main base so as to allow the feet to be positioned in front of each other during exercising both feet simultaneously so as to work in opposition to each other by working the toe portion of one foot simultaneously with the heel portion of the other foot.
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