Scarf
Muffler, Comforter
noun
Remember how you learned that 巻く means "to roll?" Well the thing you roll up around your collar is a scarf!
えりまき
The readings for this word are both kun'yomi readings. You've learned both of these readings by now so you should be able to read this on your own.
ピンクの襟巻きを巻いているのが私の妹です。
The girl wrapped in the pink scarf is my little sister.