The document argues that hard cervical collars should be done away with based on three assumptions that are unsupported or proven false. Hard collars are unlikely to provide benefits to patients and can clearly cause harm. Instead of hard collars, the document recommends using softer "reminder collars" or vacuum mattresses for obtunded patients, and limiting energy deposition by not restricting motion for uncooperative patients. Hard collars are compared to other medical ideas that seemed good initially but were later disproven.