My wife's sausage balls. She also catches me all the time with them.
Your gonna get a different reply from every person with that question. So in theory they all work, so focus more on location and good trap bedding and all your equipment performing the way it should, and make a good set and you will do much better than relying on some hot shot lure. They all work
This^^^
Also, when all else fails get back to the basics...urine and turds on sign. This is just my theory and experience - urine late winter into spring, calls & lures spring through fall, meat based through winter.