FIG. 1 is a top perspective view of an ornamental design for a hitch clamp with support arms;
FIG. 2 is an exploded view of a first embodiment of an ornamental design for a hitch clamp with support arms;
FIG. 3 is a front view of the first embodiment;
FIG. 4 is a back view of the first embodiment;
FIG. 5 is a top view of the first embodiment;
FIG. 6 is a bottom view of the first embodiment;
FIG. 7 is a right side view of the first embodiment;
FIG. 8 is a left side view of the first embodiment;
FIG. 9 is an exploded view of a second embodiment of an ornamental design for a hitch clamp with support arms;
FIG. 10 is a front view of the second embodiment;
FIG. 11 is a back view of the second embodiment;
FIG. 12 is a top view of the second embodiment;
FIG. 13 is a bottom view of the second embodiment;
FIG. 14 is a right side view of the second embodiment;
FIG. 15 is a left side view of the second embodiment;
FIG. 16 is an exploded view of a third embodiment of an ornamental design for a hitch clamp with support arms;
FIG. 17 is a front view of the third embodiment;
FIG. 18 is a back view of the third embodiment;
FIG. 19 is a top view of the third embodiment;
FIG. 20 is a bottom view of the third embodiment;
FIG. 21 is a right side view of the third embodiment; and,
FIG. 22 is a left side view of the third embodiment.
The broken lines are for purposes of illustrating environmental structure and form no part of the claimed design.