FIG. 1 is a front right perspective view of a hair straightener showing our new design.
FIG. 2 is a front right perspective view thereof.
FIG. 3 is a left side view thereof.
FIG. 4 is a right side view thereof.
FIG. 5 is a front view thereof.
FIG. 6 is a rear view thereof.
FIG. 7 is a top side view thereof.
FIG. 8 is a bottom side view thereof.
FIG. 9 is an enlarged view thereof, taken from portion “9” shown in FIG. 1.
FIG. 10 is an enlarged view thereof, taken from portion “10” shown in FIG. 2.
FIG. 11 is an enlarged view thereof, taken from portion “11” shown in FIG. 3.
FIG. 12 is an enlarged view thereof, taken from portion “12” shown in FIG. 4.
FIG. 13 is an enlarged view thereof, taken from portion “13” shown in FIG. 5.
FIG. 14 is an enlarged view thereof, taken from portion “14” shown in FIG. 7; and,
FIG. 15 is an enlarged view thereof, taken from portion “15” shown in FIG. 8.
In the drawings, the evenly-spaced broken lines illustrate portions of the hair straightener which form no part of the claimed design. The dash-dot broken lines illustrate enlarged view indicators and form no part of the claimed design.