Clamp

FIG. 1 is a perspective view of another embodiment of a clamp showing the new design; FIG. 2 is another perspective view thereof; FIG. 3 is a left side elevation view thereof; FIG. 4 is a right side elevation view thereof; FIG. 5 is a front elevation view thereof; FIG. 6 is a rear elevation view thereof; FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof. The dash-dot-dash broken lines illustrate boundaries of the claimed design and form no part of the claimed design. All other broken lines illustrate features of the clamp that form no part of the claimed design.