Knurled collar guard

FIG. 1 is a front and top right perspective view of a first embodiment of a knurled collar guard.

FIG. 2 is a front and top left perspective view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 3 is a front elevational view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 4 is a rear elevational view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 5 is a right side elevational view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 6 is a left side elevational view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 7 is a top plan view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 8 is a bottom plan view of the first embodiment of the knurled collar guard shown in FIG. 1.

FIG. 9 is a front and top right perspective view of a second embodiment of a knurled collar guard.

FIG. 10 is a front and top left perspective view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 11 is a front elevational view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 12 is a rear elevational view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 13 is a right side elevational view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 14 is a left side elevational view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 15 is a top plan view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 16 is a bottom plan view of the second embodiment of the knurled collar guard shown in FIG. 9.

FIG. 17 is a front and top right perspective view of a third embodiment of a knurled collar guard.

FIG. 18 is a front and top left perspective view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 19 is a front elevational view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 20 is a rear elevational view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 21 is a right side elevational view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 22 is a left side elevational view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 23 is a top plan view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 24 is a bottom plan view of the third embodiment of the knurled collar guard shown in FIG. 17.

FIG. 25 is a front and top right perspective view of a fourth embodiment of a knurled collar guard.

FIG. 26 is a front and top left perspective view of the fourth embodiment of the knurled collar guard shown in FIG. 25.

FIG. 27 is a front elevational view of the fourth embodiment of the knurled collar guard shown in FIG. 25.

FIG. 28 is a rear elevational view of the fourth embodiment of the knurled collar guard shown in FIG. 25.

FIG. 29 is a right side elevational view of the fourth embodiment of the knurled collar guard shown in FIG. 25.

FIG. 30 is a left side elevational view of the fourth embodiment of the knurled collar guard shown in FIG. 25.

FIG. 31 is a top plan view of the fourth embodiment of the knurled collar guard shown in FIG. 25; and,

FIG. 32 is a bottom plan view of the fourth embodiment of the knurled collar guard shown in FIG. 25.