The ornamental design for a solewashingdevice, as shown and described.
FIG. 1 is a perspective view of the sole washing device of the present invention, having a washing compartment with a closable cover and a drying compartment, the cover being shown in a partially open position to show a plurality of ridges in the washing compartment;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a side view thereof from the right, the side view from the left being a mirror image; and,
FIG. 6 is a perspective view thereof with the cover shown in the closed position.
The broken line showing of hinges in FIGS. 1, 2, and 4 is included for the purpose of illustrating portions of the sole washing device and forms no part of the claimed design.