The White House seemed to miss something when D. Trump presented the reciprocal tariff to journalists.
Not only do countries increase tariffs on American products, but importers and exporters can first export to a country to decrease tariffs and then export to the US. This is the triangular equation/matrix.
Presidential Tariff Actions | United States Trade Representative
How Trump’s Tariffs Really Affected the U.S. Job Market | Carnegie Endowment for International Peace
Trump Reciprocal Tariffs: Details & Analysis | Tax Foundation
What are tariffs, how do they work and why is Trump using them?