Clamp

FIG. 1 is a side view of a clamp according to the present invention; FIG. 2 is an opposite side view of the clamp thereof; FIG. 3 is an end view of the clamp thereof; FIG. 4 is an opposite end view of the clamp thereof; FIG. 5 is a plan view of the clamp thereof; FIG. 6 is an opposite plan view of the clamp thereof; FIG. 7 is an isometric view of the clamp thereof; FIG. 8 is an additional isometric view of the clamp thereof; FIG. 9 is an additional isometric view of the clamp thereof; and, FIG. 10 is an additional isometric view of the clamp thereof. The broken lines depict portions of the clamp that form no part of the claimed design.