You're a person of action, someone who has no time to pick your phone up off of the passenger seat while you're driving. No, you need it strapped to your chest at all times so you can answer before the first couple bars of your We Built This City on Rock and Roll ringtone. Action!
You can even remove it from your car's seatbelt and attach it to the shoulder strap of your bag when you park, keeping your phone nice and close to your heart at all times. All this for only $10? Nah, I'll still pass.