Cervical Collar

FIG. 1 is a front view of a cervical collar showing my new design; FIG. 2 is a rear view thereof; FIG. 3 is a left view thereof; FIG. 4 is a right view thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a top, right, front perspective view thereof; and, FIG. 8 is bottom, left, rear perspective view thereof. The broken line depict portions of the article that form no part of the claimed design.