A quick google search on Ed Gein's nipple belt shows me the shoddy construction that went into it. I will not post images, but surprisingly, there are images posted to pinterest. Maybe I should improve upon his design someday.
.....technically yes. But it seems obvious he must have killed more (I don't think he got all his human trinkets from his local oxfam)
https://en.m.wikipedia.org/wiki/Ed_Gein
https://en.m.wikipedia.org/wiki/Ed_Gein