What to look for: Color, color, color. These are the most perishable item in the entire produce section, and the hardest item for the staff to manage. Mills recommends finding a canary yellow banana with a little green on it that isn't too curved. Is it super curvy? Skip it.
What to feel for: Firmness is key here, as it is with many fruits and veggies and, you know, other things. And here's a useful tip: pick one or two from multiple bunches and then all your bananas won't ripen at the same time.