When you need to warm your ears ;)
Bow earwarmer can be worn in different ways, with bow front or back.

I found new method for invisible increasing and decreasing, because by classical method are holes created. You can find photos and videotutorial in the pattern.

Pattern is written for 5 sizes: baby, toddler, child, teen and adult.
Crocheting is easy, you will need only 1 skein.