I claim the ornamental design for a shoe stuffer, as shown and described.
FIG. 1 is a top front perspective view of my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The dot-dash broken lines representing stitchings are for the purpose of illustrating portions of the article and form no part of the claimed design. The dashed broken lines representing a bow on the top of the shoe stuffer are for the purpose of illustrating portions of the article and form no part of the claimed design.