Knob for a Vehicle Joystick

FIG. 1 is a front right perspective view of a knob for a vehicle joystick showing our new design. FIG. 2 is a front elevation view thereof. FIG. 3 is a back elevation view thereof. FIG. 4 is a right elevation view thereof. FIG. 5 is a left elevation view thereof. FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. The broken line in FIG. 7 illustrates a portion of the knob for a vehicle joystick that forms no part of the claimed design.