that your pins stay in place.
to keep your hair falling on to your face over and over again, simply twist your hair and slip bobby pins under your strands to give neat finish to your hair.
if you do not like to twist your hair then you can just back comb your hair and put the bobby to keep the hair in place.
make a unique design of triangle with bobby pins. overlap your hair from either side on back of your head. place the bobby pins diagonally on both the sections and then place a pin below the two pins to form a triangle.
get a bit innovative, place several pins on 