I'm a storage space, it's true, Sounding like an artist, through and through. What am I?

I am literally a stretch of cloth. I like to hang out and relax, and when you see me, so do you!

First four sprout from your head Last five keep it out of knot Together, O Henry wrote about combs, but could have been this instead It would still make sense and not change the plot

A tiny shield with a silver crown, guards fingers from the needle's frown. Though small and round, it knows the art, of keeping stitches from the heart.

On one hand, I keep an eye out. On the other hand, the best of me are Swiss.