If even one of you gets a post removed during one of these bit struggle sessions you failed the bit and should feel immense shame. Doing a bit successfully is Praxis.
Find things to struggle about that doesn't get out of hand. It's important to let off some steam now and again but do it in a way that doesn't harm your fellow comrades or add work to the mod team.
I'll start: Some beans are better than other beans. Like kidney beans are bad nasty icky beans but black beans are actually amazing.
Wait you only use one or the other? Okay this one will get me banned because that's absolutely not okay
When you want to keep your natural oils, but also want to be silky and smooth
spoiler
I imagined Shampoo vs Conditioner more like Billy Madison