Features：
1. Compatible with various spine fixer transfer plate
2. Can be used with a variety of wood, aluminum, plastic and
fiberglass materials
3. There are large ear holes on either side of the head for
observation of bleeding or drainage
4. It is lightweight and easy to use, made of airtight foam that
does not absorb blood or body fluids, and is easy to clean
and disinfect
5. Metal free, allow patient to have X-ray, CT scan , nuclear
magnetic resonance without removing head holder
6. Compatible with various type of cervical gear