The ornamental design for a fingersleeve, as shown and described.
FIG. 1 is a perspective view of a finger sleeve showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a perspective view of the finger sleeve where the finger sleeve is in use.
The dash-dash broken lines in FIGS. 1-8 depict portions of the finger sleeve and form no part of the claimed design. The dash-dash broken lines depicting a hand in FIG. 9 show environmental structure and form no part of the claimed design.