FIG. 1 is a front, top and right side perspective view of a first embodiment of a dog chew showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a right side elevation view thereof;
FIG. 8 is a front, top and right side perspective view of a second embodiment of a dog chew showing my new design;
FIG. 9 is a front elevation view thereof;
FIG. 10 is a rear elevation view thereof;
FIG. 11 is a top plan view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a left side elevation view thereof;
FIG. 14 is a right side elevation view thereof;
FIG. 15 is a front, top and right side perspective view of a third embodiment of a dog chew showing my new design;
FIG. 16 is a front elevation view thereof;
FIG. 17 is a rear elevation view thereof;
FIG. 18 is a top plan view thereof;
FIG. 19 is a bottom plan view thereof;
FIG. 20 is a left side elevation view thereof; and,
FIG. 21 is a right side elevation view thereof.
The broken lines in the drawing illustrate portions of the dog chew that form no part of the claimed design.