Twilight: You do realize that a detached cutie mark will automatically seek out its owner and not just some random filly, right?  
Sweetie Belle: We know NOW!  
Apple Bloom: But if the cutie mark’s magically bound to a pony, why can it be trapped inside a jar?  
Twilight: I don’t know- it was a magic jar, maybe?  
Scootaloo: Then why not just suspend them all inside one container?  
Twilight: Because… I… uh… Hm. That’s actually a really good question.  
Pinkie: Ooh! Ooh! I know! I KNOW! By shoving all the cutie marks inside an enclosed volume they’d have to add so many layers to animate it might be related to Shrek.  
Twilight: Who’s Shrek?  
Pinkie: He’s an ogre, of course! Lives in a swamp, and he’s love and life.  
Fluttershy: I enjoy everything nature has to offer. However, I prefer admiring Shrek from a distance.  
Twilight: Uh huh…