Mask adjustment knob

Description

[0001] FIG. 1 is a front perspective view of a mask adjustment knob, showing our new design;

[0002] FIG. 2 is a rear perspective view thereof;

[0003] FIG. 3 is a front view thereof;

[0004] FIG. 4 is a rear view thereof;

[0005] FIG. 5 is a left side view thereof;

[0006] FIG. 6 is a right side view thereof;

[0007] FIG. 7 is a top view thereof; and,

[0008] FIG. 8 is a bottom view thereof.

[0009] The broken lines in the drawings illustrate environmental subject matter and form no part of the claimed design.

Claims

The ornamental design for a mask adjustment knob, as shown and described.

Images