£4

Pop Sockets

1 Bruised Banana
Heres a youtube on what a pop socket is - https://www.youtube.com/watch?v=xSfiGl2Lv00

Short version - You stick it on the back of your phone and can be used as a stand, so it doesnt slip out your fingers, for an easier grip and you can buy an adapter so you can fit in on your car dashboard.