FIG. 1 is a front perspective view of a positional control device showing a first embodiment of our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view of a positional control device showing a second embodiment of our new design;

FIG. 9 is a top plan view thereof, the bottom plan view is identical to FIG. 7;

FIG. 10 is a left side elevational view thereof, the right side is identical to FIG. 3;

FIG. 11 is a rear elevational view thereof, the front elevational view is identical to FIG. 4;

FIG. 12 is a front perspective view of a positional control device showing a third embodiment of our new design;

FIG. 13 is a top plan view thereof;

FIG. 14 is a right side elevational view thereof;

FIG. 15 is a front elevational view thereof;

FIG. 16 is a left side elevational view thereof;

FIG. 17 is a rear elevational view thereof; and,

FIG. 18 is a bottom plan view thereof.

The broken line disclosure of details in FIGS. 1-7, 12-18, is for illustrative purposes only and form no part of the claimed design. The broken line disclosure of the circular detail and the cord holder in FIGS. 8-9, and the cord holder in FIG. 10 is for illustrative purposes only and form no part of the claimed design. The broken line disclosure of the side button shown in FIGS. 8-11 is illustrative only for the second embodiment.