We claim the ornamental design for a prosthetic, as shown and described.
FIG. 1 is a front view of a prosthetic showing our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a first side view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a perspective view thereof;
FIG. 6 is a second side view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a front view thereof, in a second position;
FIG. 9 is a rear view thereof;
FIG. 10 is a first side view thereof;
FIG. 11 is a top view thereof;
FIG. 12 is a perspective view thereof;
FIG. 13 is a second side view thereof; and,
FIG. 14 is a bottom view thereof.
Applicant expressly reserves the right to modify FIGS. 1-14 to show in solid lines any the features shown in FIGS. 1-14 in dashed-lines; and to show in dashed-lines any the features shown in FIGS. 1-14 in solid lines. Any subject matter shown in dashed lines, and any surfaces of the design not shown, including interior surfaces, form no part of the claimed invention.