1) Brand name material 
Betagel (βゲル in Japanese) is a high-tech Japanese invention. It utilizes gel and silicone to absorb violent shocks more than seven times the amount of {Ill|fr|Alphagel}. As an example of the Betagel`s effectiveness, an egg was dropped from a maximum height of 22 meters. It landed on a 300 mm² square plate of Betagel without breaking. Japane....