It depends on which iron maiden you're looking at. If it's just the "iron maiden" then it's the exact same ski as the recoil and you should pick which ever ones you think have cooler topsheets. If you're looking at the "iron maiden revival" then it is the same shape as the recoil, but is completely flat underfoot with no camber at all. This will make them a little looser, but they'll have less pop/snap to them.
"What you are feeling is a base burn. The toilet bowl cleaner probably has a really high pH , and therefore must be neutralized with an acid that has a really low pH. So basically, you just need to stuff your asshole with the most acidic shit you can find, battery acid, sulfuric acid, nitric acid, whatever you can get your hands on. its gonna be a chemical showdown in your asshole today my friend."