What Is the Difference Between a Traditional Halter and an Occipital

What is the difference between a traditional halter and an occipital halter for cervical traction?

A) A traditional halter applies pull evenly between the mandible and the occiput.
B) An occipital halter applies pull from the occiput and not on the mandible.
C) A traditional halter is applied in sitting position and an occipital halter is applied in supine position.
D) There is no difference between the two, except the name.