There are many other uses for hair pins other than being used for hair. Like in the movies they are used as a lock pick, something that can be translated into real life; should you ever need one.
spin your hair in a messy bun and then twist in the pins in your hair like a screw.
sewing uses pins so you can take up sewing bowling wrestling
They are a variety of uses for pins. Safety pins are used to hold things in place such as clothing. Push-pins are used in a cork board for flyers and other forms of paper.
LGA uses flat pads for the processor sockets instead of pins.
DDR SDRAM uses 184 pins.
Bobby pins are great for thick to medium hair. They will fall right out of thin hair. You use bobby pins by just taking a piece of good sized hair and slipping in the bobby pin. The style today is to take a bit of hair from the front and to pull it back. Then you slip in the bobby pink in the middle of your hair line. :)
Kanzashi.
get the pi part and put it threw a knot in your hair.
you roll your hair in the brush roller then-poke the pins threw the rhombus
You get a lot of pins and you tuck your hair up at the bottom of your head and then put in a lot of pins to keep it there. Make sure that you leave a little length down on your neck to cover the pins. Your hair will be in the shape of a bob.
bobby pins
By rags and curl pins