As U.S. President Donald Trump's new tariff regime clicks into gear on Friday, producers around Europe are feeling the impact, some holding back shipments, others hiking sticker prices or taking a hit to margins.

After two pauses, President Trump has now reinstated his "adjusted" reciprocal tariffs on dozens of America's trading partners.

Some European politicians are dismayed that the European Union did not drive a harder bargain, but facing the threat of a damaging trade war, officials say they had little choice.