The Spike case was designed to enable users to protect the iPhone, but when users want to write something, this can be turned and mounted as a keyboard.
Spike enables you to add a keyboard to your iPhone in an innovative way.
The casing has the keyboard directly integrated into it, and you can attach it to your iPhone simply by fitting the device into the case.
For now, the Spike case project hasn’t entered production.
In the video below the functionality of the case is explained: