FIG. 1 is a top, side and front perspective view of a corkscrew showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof, the left side elevation being a mirror image thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines depict environmental subject matter only and form no part of the claimed design.