going to these. but if you use these, wipe them with alcohol swabs. do not share them. >> tack in there with some alcohol. >> after you scared the whole america. >> i know. i want to use one on mine. >> this is very simple. there you go. this is what you're supposed to be doing. before you use any of these whether you put it in your ears -- and doctors, we always exchange stethoscopes. this is what you should be doing. take one of these alcohol swabs. it's easy. and you just clean it up. >> a lot of makeup on mine. >> you're a parent and you should tell your teenagers this because you know what the kids do these days, share music. >> they're all watching. the ear canal is hot and humid. and we have to be careful about how we say this. so there's a lot of bacteria and mrsas and other things in here that can stick in and pass onto everyone else. i think the risk of infection seriously is very low, unless