The world doesn't seem quite ready to let Elon Musk move on from the salute he made at Trump's inauguration. It's already been adopted by anti-Musk protestors, who projected it onto a Tesla plant in Berlin ahead of the impending federal election.

The British campaign group "Led By Donkeys" has claimed responsibility for the stunt that authorities say may have breached German laws on the use of symbols linked to illegal organizations.

Campaign group Led by Donkeys has projected the clip of Elon Musk making two ‘Nazi salutes’ at Trump’s inauguration onto the side of his Tesla factory in Berlin. The video featured Musk making the gesture alongside the words “Heil Tesla”, a reference to the Nazi greeting used to pay homage to fascist leader Adolf Hitler.