Hi. Thanks for reading this post. I purchased some yellow kevlar fabric to help pad a few clothes for personal protection. The kevlar needs to have several layers and the layers should be tightly together (compressed) IE loose layers of kevlar are no good for absorbing blunt force trauma. I was wondering how much i should compress the layers, perhaps place a heavy weight on it, or even roll a car over it. Does anyone know anything or have any experience of this. I just need to know how much the kevlar layers need to be compressed Thanks in advance. John.