Bottom Bouncers are what the name implies. They come in a variety of weights to be used in accordance to wave heights and drift speed. Slower drift lighter weight bottom bouncer. Faster & rougher drift heavier. They vary in weights of 1/2 oz, 1 oz, 1.5 oz. 2, 3, & 4 oz. I prefer 36" worm harnesses. As far as blade size & type that's a personal preference. More often than not its a color more than blade style. One very important tactic to bottom bouncers is only let out enough line to get it to bottom and have the rocking of the boat lift and drop bouncer against bottom. The are not bottom draggers. Lol. Good luck and good fishing