Fastening device locking piece

Description

FIG. 1 is a bottom plan view of a fastening device locking piece showing my new design;

FIG. 2 is a bottom perspective view of the fastening device locking piece of FIG. 1;

FIG. 3 is a second bottom perspective view of the fastening device locking piece of FIG. 1;

FIG. 4 is a top perspective view of the fastening device locking piece of FIG. 1; and,

FIG. 5 is a second top perspective view of the fastening device locking piece of FIG. 1.

Claims

The ornamental design for a fastening device locking piece, as shown and described.