"It's a cranial cap. You put it under the head to absorb leaking brain goo."

"You would place that on the pillow of a casket for someone who has had a cranial autopsy done (removal of the brain). It is to absorb any liquid that may seep through the sutures used on the scalp. Better in this than all over the pillow because it would most likely be blood. I've been a mortician for 40 years."

"Funeral Director/Embalmer here. Agree with the other posters. Could be wrong, but this one looks used. Would not recommend touching bare-handed. We use numerous chemicals that an alive person should not touch directly."