When i think about whats important about my device and how i use it its the screen everything defers to the screen so when i recently stumbled upon a super hard form of volcanic glass on my recent trek to the south pacific i knew id found the substance to protect my precious screen and connection to the outside world carved from gigantic slabs of glass the vitrifender is beautifully thin yet incredibly strong just like me its resistant to supersonic blows by a hammer ear piercin