US D313424 S
Abstract available in
FIG. 1 is a perspective view of a piano training device showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a front side elevational view thereof.
The undisclosed bottom portion of the piano training device is plane and unornamented.