When Tanis first confronts the Skids about ripping her off, Stewart and Devon start removing clothing to fight. Stewart removes the black bracelet from his left wrist but after it cuts to Tanis and back the bracelet is one again on his wrist.
Not a mistake: the distinction of the spelling of whiskey vs whisky isn't Canadian it denotes Irish vs Scotch and you can find whiskies with both spellings throughout the world.
The Gus & Bru label was spelled "Whiskey," but in Canada the word is spelled "Whisky."