The ornamental design for a heavy weightfoothold apparatus for sit-ups, as shown and described.
FIG. 1 is a perspective view of a heavy weight foot hold apparatus for sit-ups, with secured adjustable strap, depicting an embodiment of the present invention;
FIG. 2 is a from view of a heavy weight foot hold apparatus for sit-ups, with secured adjustable strap, of FIG. 1;
FIG. 3 is a rear view of a heavy weight foot hold apparatus for sit-ups, with secured adjustable strap, of FIG. 1;
FIG. 4 is a left side view of a heavy weight foot hold apparatus for sit-ups, with secured adjustable strap, of FIG. 1;
FIG. 5 is a right side view of a heavy weight foot hold apparatus for sit-ups, with secured adjustable strap, of FIG. 1; and,
FIG. 6 is a top view of a heavy weight foot hold apparatus for sit-ups, with secured adjustable strap, of FIG. 1.