Collar bone is popping out-kind of is this something I should be worried about? : r/lifting
For years now, when I breathe in deeply, the region is towards the base of my neck and collarbone pains. What is it? How do I make it stop? - Quora
Collarbone Popping: Causes and Treatment
Got a painful zit on collarbone. No comfortable way to pop it. : r/popping
Broken collarbone - Symptoms and causes - Mayo Clinic
Why do some people have such prominent collar bones while others seem to have none? What is the function of collar bones and can some people have none? - Quora