Shrugs are actually probably the best exercise. The key is in retracting the scapula.Farmers carry's, upright rows and deadlifts are some popular ones.
Shrugs IMO are a waste of time but some people swear by them.
Yep u can't just mindlessly shrug. It can turn into an ego lift real quick. Seen lots of dudes claimin "yeah bruh I can shrug 415" then u watch them do it and all they do is hold the bar and bop their head like a chickenShrugs are actually probably the best exercise. The key is in retracting the scapula.