- Surrounds infrahyoid (strap) muscles: Sternohyoid, Sternothyroid, Omohyoid, Thyrohyoid
- Thickens to form a pulley through which the intermediate tendon of the digastric muscle passes, suspending the hyoid bone
- Also tethers the omohyoid muscle, redirecting the course of the muscle between the two bellies
- Fused with the Investing layer of fascia that lies on the Deep surface of SCM
