Question: What is this thing sticking out of Pyramid Heads Helmet

Is the flesh under Pyramid Head's helmet canon? Also, what about the stuck-together fingers? Dead by Daylight omitted both features, and I remember Masahiro Ito saying Pyramid Head's odd looking hands were

Pyramid Thing Helmet Template for Foamboard.

Pyramid Thing Helmet Template for Foamboard.

Silent Hill 2 Red Pyramid Thing Pop Up Parade Statue

Pyramid Head Helmet

Silent Hill PYRAMID HEAD Light up Diorama

Pyramid Head, Origin and History

Pyramid Head Helmet

Hey folks, I'm currently constructing my pyramid head helmet and decided to test run my pieces so far (dw I'll be adding mesh so I can see lol) but I've run into

Question: What is this thing sticking out of Pyramid Heads Helmet? I've heard many answers ranging from a nail to an eyeball but I'm wondering if anybody has an official answer (Note