The Pittsburgh Steelers didn’t take to the field Sunday as the national anthem played before the team faced the Chicago Bears, and that decision isn’t sitting well with some fans.

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Steelers fans across America posted videos on social media showing them burning their memorabilia after the team failed to show up for the anthem. The protest comes amid tension between NFL players, who first started taking a knee during the anthem last year in protest of inequality and police violence, and President Donald Trump, who called the protests disrespectful.

>> Related: Trump slams NFL players for national anthem protests, athletes react

Jim Heaney, a veteran of the U.S. Marine Corps, posted on YouTube and said, “Can't come out and stand for our anthem or flag? I'm done with you. #BoycottPittsburghSteelers #BoycottTheNFL.”

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