My husband says he thinks they work great... I've never tried one and am hesitant but I don't get clogged sinuses very often.
“What screws us up the most in life is the picture in our head of what it's supposed to be.”
Also if your signature makes my scrolling mess up "you're tacky and I hate you."
Also if your signature makes my scrolling mess up "you're tacky and I hate you."