1. Compatible with various spine fixer transfer plate

2. Can be used with a variety of wood, aluminum, plastic andfiberglass materials

3. There are large ear holes on either side of the head forobservation of bleeding or drainage

4. It is lightweight and easy to use, made of airtight foam thatdoes not absorb blood or body fluids, and is easy to cleanand disinfect

5. Metal free, allow patient to have X-ray, CT scan , nuclearmagnetic resonance without removing head holder

6. Compatible with various type of cervical gear