FIG. 1 is a perspective view of a preferred embodiment of a joystick illustrating the ornamental design;

FIG. 2 is a rear elevational view of the preferred embodiment;

FIG. 3 is a front elevational view of the preferred embodiment;

FIG. 4 is a side elevational view of one side of the preferred embodiment;

FIG. 5 is a side elevational view of the other side of the preferred embodiment;

FIG. 6 is a plan view of the preferred embodiment; and,

FIG. 7 is a bottom view of the preferred embodiment.

The broken line showing of various electronic elements and connector is for illustrative purpose only and forms no part of the claim.