Take a knee

German team Hertha Berlin (Hertha BSC) linked arms and took a knee, mirroring professional athletes in the U.S. taking a knee during the national anthem to protest police brutality and racial injustice.

And a good piece on the Quartz website regarding the NFL players who are "taking a knee":
https://qz.com/1102238/americans-can-take-a-knee-during-the-national-anthem-thanks-to-the-jehovahs-witnesses/?utm_source=qzfb

To my mind, the United States is a nation founded on the promise and power of dissent and these players are exercising their first amendment right to peaceful protest.