1. Blank CD discs are bullet proof and knife proof if sewn into
the clothing inside. Maybe vests could be developed from that material to wear over an undershirt and under the uniform or other clothing. The blank CD discs can be sewn into the underwear on the outside that are not noticeable on the outside of the underwear or t-shirts. It is light weight and effective if you go online and see the stories of people who had a CD in a pocket that stopped a bullet.