'Caps are the all-in' (limit Omaha high, G2): Fixed-limit Omaha high: you can't bomb people off. Value thin, protect less with huge bets you don't have, and chase less when the price is wrong across multiple streets.
In FLO, the cap is where stacks go emotionally. Cap second-nut flushes multiway for 'information' and you'll learn an expensive lesson.