The woman on the sewing line in the Toronto garment shop is stitching camouflage helmet covers for the Canadian military now. A few months ago she was stitching winter parkas. Same machines, same hands, different thread, and a question that didn’t used to keep her up at night: whether this shop will exist in two years if the tariff squeeze on cross-border trade keeps tightening and these contracts are the only thing holding the place together.

She’s not alone. Across Canada, small manufacturers are watching their American orders evaporate and pivoting to whatever Ottawa will pay for. Wuxly, the luxury outerwear brand, went from $1,000 parkas to military helmet covers. Other firms are developing remote sensors for the Arctic, building resupply drones, constructing autonomous robots. Not because any of them woke up one morning and decided they wanted to be in the defense business. Because the trade war left them with a choice between the government contract or the unemployment line.

The squeeze has a name and an address. It comes out of Washington, where the tariff machine has been grinding on Canadian exports for months. Carney announced a $20 billion retaliation package this week as new rounds hit, and the escalation is real. But the retaliation doesn’t un-squeeze the manufacturer. It doubles the hurt. The shop owner in Toronto who used to ship finished goods to American retailers now faces tariffs in both directions. Her cost of materials goes up when she buys cross-border. Her old customers disappear when they can’t afford to buy Canadian. And the only door that opens in the middle of this is the procurement office, which wants helmet covers and drones and sensors and is writing checks to whoever shows up with a product and a pulse.

Ottawa calls it “self-sufficiency.” The shop owner watching her commercial orders disappear calls it the last option left. The Prime Minister says he’s reducing Canadian reliance on American defense suppliers, and that’s exactly what’s happening. But reducing reliance on one power by becoming dependent on another power, your own government, is not independence. It’s a new kind of lease, and the rent is measured in the number of contracts you have to keep winning to keep your doors open.

I remember that kind of dependency. My father ran this shop before I did, and in the years after 2003 when the cross-border orders dried up and the only work came from one big buyer, I learned what it meant to have a single customer who could end you with a phone call. You smile for the procurement officer. You make the delivery on time. You don’t complain when the payment terms stretch to ninety days, because what are you going to do, tell the government to go somewhere else? That’s not a negotiating position. That’s a surrender with a purchase order attached.

The same pattern is playing out in every Canadian town where a small manufacturer just signed its first defense contract. You get the order. You hire the extra hands. You buy the sewing machines or the sensor equipment or the drones, often on credit. You learn the security-clearance requirements and retrofit your facility and figure out the insurance. You’re in deep before you understand what you’ve gotten into, and by then walking away means closing.

I’ve been in shops like these. The old-timers in the back know the drill. They know when you’re a subcontractor to the only buyer in town that your negotiation table has one chair and it ain’t yours. The woman on the sewing line in Toronto doesn’t read trade policy. She reads the schedule on the wall and the deposit in the account and the rent notice on her kitchen counter. She can do the math on what happens when the contract doesn’t renew, and the answer is the same answer it’s always been for a worker whose boss has one customer: you take what you’re given and you keep your head down and you hope.

The trap has a specific shape to it. Washington turns the tariff screw and Ottawa responds with the “buy Canadian” procurement lever. The small manufacturer, stuck between the two, ends up dependent on the government for survival. The more capital she invests in defense production, the harder it becomes to walk away. The government gets a domestic supplier it can point to as proof of sovereignty. The manufacturer gets a lease that looks like a lifeline until she tries to break it.

This is the machinery. Not some abstract theory about arms length. Not a white paper about procurement reform. It’s a sewing machine in a Toronto shop and the woman running it and the contract that says she’ll make helmet covers for as long as the tariff fight lasts, which is to say as long as Washington wants it to last, which is to say as long as the people making the decisions decide it benefits them. Trump turned the screw and Carney responded with his own escalation, and the shop floor where a woman earns $45,000 a year stitching fabric is the leverage both of them are using. She didn’t choose the trade war. She didn’t choose the procurement system. She’s the one who has to live inside both of them.

That’s the part no press release covers. A country that tells its small manufacturers “build for us and we’ll keep you alive” is a country that has bought their silence with a contract and their future with a dependency. The procurement check that saves a shop this year is the leash that holds it next year. And the shop that pivots to helmet covers because the tariff war killed its commercial market doesn’t get to pivot back when the war ends, because the commercial market will have moved on to other suppliers in other countries who never had their orders canceled by a trade dispute they had no voice in.

Washington’s tariff machine is the primary squeeze. Ottawa’s procurement response is the second. Carney is reacting to a Washington-made crisis, and his domestic buildout is a reasonable response to an unreasonable pressure. But reasonable responses create their own traps. Every new domestic defense contract locks a manufacturer deeper into dependency on a government that will use that dependency as leverage when it suits a future prime minister’s purposes. The manufacturer trades one vulnerability for another. The tariff choke was temporary. The procurement leash may not be.

Here’s what I’d say to the woman on the sewing line, if I were standing next to her machines. The tariff squeeze is real and it comes from Washington, and it’s making your life harder because the people who benefit most from the trade war are the ones in the Capitol and Parliament Hill who get to look tough at press conferences while you pick up the check. The procurement contract that saved your job will keep you exactly as free as your government decides you need to be. That’s not a threat. It’s a business model. And if nobody says it out loud, it’s the kind of business model that thrives.

The helmet covers will get sewn because the alternative is unemployment, and unemployment doesn’t negotiate. Ottawa gets to point to domestic production as proof it’s standing up to Washington. Washington collects the tariff revenue. The trade war becomes the excuse for whatever defense spending Carney wanted to do anyway, and the factory floor pays for both sides of it.

She won’t say it on the line, but she knows the arithmetic. Every week she’s stitching helmet covers, she’s doing the math on who’s absorbing the tariff, who’s deciding what she builds, and who pockets the difference between what it cost to make a parka and what it costs to make a weapon. That’s the trade. And no press release about national sovereignty makes the math go away.