a. Peel off the protective films both sides before you use the visor.
b. Place the hole of the visor into the switch knob, and then turn it clockwise to fasten the screen.
c. Flip up and down the sweatband to place the visor wherever you wish
d. Switch the tension knob to fix the visor.
e. Open the lid and roll the gear to adjust the circumference; Inside: children/ outside: adult.
f. Switch the tension knob to adjust the circumference to fit the size.
g. Adjust the belt to make it more fit and comfortable to your head.