Whistles bearing the logo of the German metalworkers' union IG Metall are stored in a plastic bag during a warning strike outside the main plant of German technology company Bosch in Stuttgart, southern Germany, on November 3, 2026. IG Metall has called on their members to stage warning strikes in support of the current wage negotiations in the German metal and electronic industry. (Photo by THOMAS KIENZLE / AFP via Getty Images)