My solution: Do not wear a mask
When challenged, I say I have a medical condition.
When they ask what it is, I tell them HIPAA laws allow me privacy and they cannot ask.
NOW! Get your ADA printable notice to avoid wearing masks at
https://www.barnhardt.biz/2020/05/15/the-card-is-working-coast-to-coast-plus-muzzle-in-the-bible/