Applejack: “Why in tarnation do we have to put this on?”  
Guy: “The rooms don’t have bathrooms inside and some teams don’t make it out in time, so diapers are mandatory. Don’t worry, it comes with the regular price already and you can get it off after you’re done.”  
Rainbow Dash: “I hope I’m not seen in this…”  
Pinkie Pie: “It tickles!”  
Fluttershy: “…”  
Rarity: “They could have at least given us onesies, this doesn’t go well with my coat.”  
Twilight Sparkle: “Come on girls, the tests await us!”