Good solution to a new problem!
These are now something you may need if wearing a mask for  many hours a day, several days a week.  The silicone doesn't pull on your hair so its comfortable. It can be a bit small depending on the size of your head. My husband has a big head and it can be tight depending on the mask straps.  They worked fine for me and they have saved my ears from chafing.  The ear loops hook easily over the button thingy on the extender.  Th extender has a small amount  of stretch so you can adjust your mask for the comfort level you prefer.
Rating: 4 stars