Provided here is a multifunctional tool functioning as a mobile device holder, a safety hammer and a cutter for use in a car. Generally, the multifunctional tool body has a top cover containing magnet(s), a bottom cover, a striking assembly with a striking mechanism disposed between the top and bottom covers, a blade disposed on the outer surface of the body and a clip disposed on the bottom cover. The multifunctional tool is secured to a vehicle vent and can is used to break window glass and/or cut a seat belt in an emergency and to magnetically secure a mobile device for easy accessibility.