they're designed by Design less lethal not intended to cause serious injury or lethality the chemical will cause stress anxiety fear panic and we need to be able to fight through that we need to be able to have a strong mind and know that everything comes to an end no matter how tough it is no matter how much it burns no matter how much you can't see everything's gonna end and you've got to keep fighting through it so that's why we do so much chemical exposure to our staff