Costco Wholesale Corporation Costco Wholesale 21 OW0008363 Blueberry Muffins had flooring baked in it, cause servere pain and scaring Danville, California

I purchased the blueberry muffins for the softball team and the children in the daycare.  I happen to be hungry and open them before getting home.  As I was driving I took a bite out of the muffin and chewed on what I thought was a blueberry, until my mouth started to hurt and my tooth started to feel a cracking. I spit it out and my mouth was bleeding. I went straight back to the store file a complaint and made a complaint with the Food and Drug Administration for Contra Costa County. I have had pain and nightmares of my children eating this. Thank God I was not killed, and the children did not have to go through with what I went through.