"Koro", a whale's skin whose fat is removed, served as an ingredient of "<a href="https://en.wikipedia.org/wiki/Oden" class="extiw" title="en:Oden">oden</a>".
<a href="//commons.wikimedia.org/wiki/User:%E3%82%82%E3%82%93%E3%81%98%E3%82%83" title="User:もんじゃ">もんじゃ</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>