Review (4/5): Germs cannot exist when connected to copper
I have no idea if this is effective for that which for which it was bought. I bought it to use as a preventive for the coronavirus. Germs cannot exist with copper. I use one end in my nostrils and the other on my tongue. So far I haven’t caught this virus, but don’t know if this is the reason...just another tool for support. I use it when I’ve had to go out.