The ornamental design for a self-wringing mop, as shown and described.
FIG. 1 is a perspective view of a self-wringing mop in accordance with the present invention;
FIG. 2 is an enlarged side view of the upper hand-grip portion of the self-wringing mop, the opposite side view being identical thereto; and,
FIG. 3 is an enlarged side view of the lower hand-grip portion of the mop, the opposite side being identical thereto.
The broken lines immediately adjacent the solid line disclosure of the handle in FIG. 3 represent the bounds of the claim and all other broken lines are for illustrative purposes only. None of the broken lines form a part of the claimed design.
The upper hand-grip portion of the self-wringing mop and the lower hand-grip portion of the self-wringing mop are shown separately for convenience of illustration.