Meet the Winter Soldier — aka Bucky Barnes, the guy who went from Steve Rogers' best pal to HYDRA's very own programmable murder-robot. After getting turned into a super-soldier, brainwashed, and occasionally cryogenically napped like a forgotten TV dinner, HYDRA gave him the ultimate off-switch/on-switch combo: a secret sequence of ten Russian words that basically turn him into the world's deadliest Siri.
Say these bad boys in the exact right order (because HYDRA apparently failed Product Design 101 and didn't make it a single voice command), and boom—Bucky goes full compliant mode, ready to take orders with the enthusiasm of someone who's forgotten what free will tastes like. No questions, no receipts, no "are you sure?" pop-ups.
The magic words, straight from Captain America: Civil War (2016), are:

Longing
Rusted
Seventeen
Daybreak
Furnace
Nine
Benign
Homecoming
One
Freight Car

Say them in sequence and watch our boy instantly switch to "Ready to comply" autopilot — complete with zero memory of the chaos he just caused. It's like accidentally triggering your roommate's Alexa to order 47 pizzas, except the pizzas are targeted assassinations.
Product specs (because even brainwashed assassins deserve comfy merch):

50% polyester, 25% combed ringspun cotton, 25% rayon
Light fabric (4.3 oz/yd² / 146 g/m²) — because nothing says "stealth assassin" like breathable tri-blend
Regular fit — not too baggy, not too tight (perfect for hiding vibranium arms)
Sewn-in label — so you know it's official HYDRA-approved drip

Warning: Do NOT recite these words at parties unless you want your friend group dramatically re-enacting airport fights. Side effects may include existential crises, metal arm upgrades, and an awkward conversation with Captain America about personal boundaries. Wear responsibly. Or don't—Bucky's been through worse.