FIG. 1 is a front view thereof;
FIG. 2 is a back view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is an enlarged left side view taken of the portion of FIG. 3 identified by the line 4;
FIG. 5 is a right side view thereof;
FIG. 6 is an enlarged right side view of the portion of FIG. 5 identified by the line 6;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is a front perspective view thereof;
FIG. 10 is a back perspective view thereof;
FIG. 11 is a second embodiment thereof;
FIG. 12 is a back view of the second embodiment;
FIG. 13 is a left side view of the second embodiment;
FIG. 14 is an enlarged left side view of the portion of FIG. 13 identified by the line 14;
FIG. 15 is a right side view of the second embodiment;
FIG. 16 is an enlarged right side view of the portion of FIG. 15 identified by the line 16;
FIG. 17 is a top view of the second embodiment;
FIG. 18 is a bottom view of the second embodiment;
FIG. 19 is a front perspective view of the second embodiment;
FIG. 20 is a back perspective view of the second embodiment;
FIG. 21 is a third embodiment thereof;
FIG. 22 is a back view of the third embodiment;
FIG. 23 is a left side view thereof;
FIG. 24 is an enlarged left side view of the portion of FIG. 23 identified by the line 24;
FIG. 25 is a right side view thereof;
FIG. 26 is an enlarged right side view of the portion of FIG. 25 identified by the line 26;
FIG. 27 is a top view of the third embodiment;
FIG. 28 is a bottom view of the third embodiment;
FIG. 29 is a front perspective view of the third embodiment;
FIG. 30 is a back perspective view of the third embodiment;
FIG. 31 is a fourth embodiment thereof;
FIG. 32 is a back view of the fourth embodiment;
FIG. 33 is a left side view thereof;
FIG. 34 is an enlarged left side view of the portion of FIG. 33 identified by the line 34;
FIG. 35 is a right side view thereof;
FIG. 36 is an enlarged right side view of the portion of FIG. 35 identified by the line 36;
FIG. 37 is a top view of the fourth embodiment;
FIG. 38 is a bottom view of the fourth embodiment;
FIG. 39 is a front perspective view of the fourth embodiment; and,
FIG. 40 is a back perspective view of the fourth embodiment.
The portion of the article depicted in broken lines is for illustrative purposes only and forms no part of the claimed design. The wavy broken line intersecting the drawing depicts the indeterminate length of the claimed design.