It's a headband that I had and don't laugh, if you were a teen in the 80's you know you had some too. I don't wear headbands anymore but I do put them on my bottles of oil to keep the oil from dripping down the bottle and getting the shelves in my cabinets all greasy, it also keeps my hand from getting greasy when I grab the bottle. If you don't have a "clean" headband or sweatband use a piece of material and attach with a rubberband. When you are done with the bottle or it's getting too greasy just throw it in the washer and it's good as new!
Does "Maniac or "What a feeling" ring any bells?
Check out my other uses for Olive Oil.