1) The document provides instructions for properly applying a cervical collar to immobilize the spine of a seated patient. 2) It describes how to size, position, and secure the collar, including placing the chin support under the chin and pulling the back of the collar snug while holding the front in place. 3) Alternatives to collars for spinal immobilization and the scenario of arriving on the scene of a car crash with one stable patient who requires spinal immobilization using a short device are also outlined.