I have very narrow shoulders. How can I get wider shoulders without working out because I have skinny friends who don't work out at all, but they still have shoulders much broader

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Does working out make your shoulders broader? - Quora

When I do Shrugs at the gym, should I lift my shoulders up OR lean

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Will my shoulder get broader if I'm 14 years old? - Quora

My figure is already quite skinny so there isn't much I can do