Mount your phone so you aren't holding it yourself. Plus get 5W wireless charging to keep the battery topped off while you drive. It has a quick mount that's easy to snap shut or release. Works with screens 2.3 - 3.5 inches.
The iOTTIE Easy One Touch 4 Qi Wireless Car Mount is quite the mouthful for a product name, but it totally lives up to it — it's stupid easy to use and will hold your phone in place and charge it wirelessly with not much more than a quick tap!