The characters in the picture are all stuffing.

The part of the head you want is incomplete, because it was cut, and it was like this.

The following are my personal suggestions:

1, just use that one as the head, because I think it doesn't matter if a small part of the head is missing from that one ~ because the stuffing is so cute? (￣▽￣)

I found the following two articles on the Internet for your reference.