How a Small Violin Part Highlights Bigger Problems for the Global Economy NYT Par :Peter S. Goodman 2 avril 2025 à 16:15 A family business in Ottawa that makes special shoulder rests for violins is imperiled by both Trump’s tariffs on Canada and potential Canadian retaliation. © Chloe Ellingson for The New York TimesKun Shoulder Rest factory, a family-owned business in Ottawa, makes ergonomic shoulder rests used by violinists worldwide, from New York to Berlin.