Dog headcollar

FIG. 1 is a front perspective view of a dog headcollar, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a front perspective view of the dog headcollar, shown in a condition of use for clarity of disclosure.

In the drawings, the broken lines on the dog headcollar depict portions thereof and form no part of the claimed design. The broken lines showing a dog in FIG. 9 depict environmental structure that forms no part of the claimed design. All broken lines form no part of the claim.