The ornamental design for a bib, as shown and described.
FIG. 1 is a perspective view of a bib showing my new design;
FIG. 2 is a front view thereof.
FIG. 3 is a back view thereof.
FIG. 4 is a side view thereof.
FIG. 5 is an opposite side view thereof.
FIG. 6 is a top end view thereof.
FIG. 7 is a bottom end view thereof; and,
FIG. 8 show the bib in use on a wearer (in phantom).
Throughout the views, the broken lines showing an electrical connector, and the broken lines in FIG. 8 showing a human form, illustrate the design in use and form no part of the claim. The remaining broken lines on the surface of the bib represent stitching, which also forms no part of the claim.
The design is for a bib which is particularly useful to keep the rider of a motorcycle warm. The bib may be connected to an external heating system.