The ornamental design for an equinetool handle, as shown and described.
FIG. 1 is a top perspective view of an equine tool handle showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The structural elements depicted in broken lines has been shown for the purpose of illustrating portions of the equine tool handle that form no part of the claimed design.