The ornamental design for an exerciseslideboard, substantially as shown and described.
FIG. 1 is a perspective view of an exercise slide board;
FIG. 2 is an enlarged, fragmentary, perspective view of the first end of the exercise slide board of FIG. 1;
FIG. 3 is a top plan view of the exercise slide board of FIG. 1.
FIG. 4 is an enlarged, lateral side elevation view of the exercise slide board of FIG. 1;
FIG. 5 is a front side elevation view of the exercise slide board of FIG. 1; and,
FIG. 6 is an enlarged, fragmentary front side elevation view of the first end of the exercise slide board of FIG. 1, an enlarged, fragmentary, front side elevation view of the other end being a mirror image of that shown.
The oblique line shading in the drawings indicates a highly polished or reflective surface.
The portions of the drawings shown in broken lines form no part of the claimed design.