Breathing exercise device

Description

FIG. 1 is a front, left and top perspective view of a breathing exercise device, showing my new design.

FIG. 2 is a rear, right and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a right side elevation view thereof.

The dashed broken lines depict portions of the breathing exercise device that form no part of the claimed design.

Claims

The ornamental design for a breathing exercise device as shown and described.