The ornamental design for a vehiclesunvisorattachment, as shown and described.
FIG. 1 is a front perspective view of a vehicle sun visor attachment
showing my new design in a folded condition it being understood that the
broken lines are for illustrative purposes only and form no part of the
claimed design;
FIG. 2 is a front perspective view thereof in unfolded condition, wherein
the sleeve portion is rotated about the sun visor such that the extension
portion is extended from the bottom portion of the sun visor.