The ornamental design for a bottlecap, as shown and described.
FIG. 1 is a perspective view of a bottle cap showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a cross-sectional view taken in the direction of line 8-8 of FIG. 3; and,
FIG. 9 is another perspective view of the bottle cap of FIG. 1 shown in a position of use on a bottle drawn in broken lines.
The broken lines illustrating a bottle in FIG. 9 depict environment and form no part of the claimed design. All other broken lines depict portions of the bottle cap that form no part of the claimed design.