Public. It’s full of germs and bacteria, and there are so many things we have to touch. But the HygiCard Antimicrobial Card Tool can eliminate all of those touchpoints. This EDC brass card allows you to open doors, use it as a stylus, and touch fewer surfaces. Your HygiCard is smaller than a credit card, so it fits in your wallet. Or you can attach it to your keychain to eliminate having to get your wallet out. This brass card..