Car Clip Camera
Concept
Car clip camera is head up display speedmeter and a dash car camaera
Once the iPhone is properly placed horizontally (or vertically) in a car support device just will presset current speed and a button, that once presented in read app is able to take a 10 seconds video clip, 5 before and 5 after button press, finally video clip is stored in camera photo gallery.
App use case
Apple Watch use case
Car Clip Camera app
Tap on Car Clip Camera app from your set of applications on iPhone device

Place iPhone
Place iPhone device in a safe car support. All orientations are supported, except upside down.

Pre-Recording
You will have to wait 5 seconds to for having enough past video buffer

Ready to record
Just tap recording button when you face some situation that is worth it
Post-Recording
Video will continue recording for 5 secons more.

Camera photo gallery
Afterwards video will be transfered to Camera Photo Gallery