The ornamental design for a bustle, as shown and described.
FIG. 1 is a rear perspective view of a bustle;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines showing a wearer in FIG. 1 depicts environmental subject matter that forms no part of the claimed design, while the remaining broken lines shown in the drawings depict portions of the bustle unit that form no part of the claimed design.
In FIGS. 2-8, the use of stippling indicates a contrasting material with the adjacent line-shaded portion of the bustle.
The straps are shown with symbolic breaks in their lengths. The appearance of any portion of the article between the break lines forms not part of the claimed design.