FIG. 1 is a top perspective view of a moveable control element for a keyboard showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The unshown bottom portion of the moveable control element forms no part of the claimed design.