The ornamental design for an exercisedevice for use with a chair, as shown and described.
FIG. 1 is a perspective view of an exercise device for use with a chair, showing my new design, wherein the broken line showing of the chair is for illustrative purposes only and forms no part of the claimed design.
FIG. 2 is a left side elevation of the exercise device of FIG. 1, without the chair.
FIG. 3 is a front elevation of the exercise device of FIG. 2; and,
FIG. 4 is a top plan view of the exercise device of FIG. 2.