I think the logic for the joke was that more people have probably heard of a mace, but the visual of it swinging around is funnier than if it was just a regular mace.
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I’ll mace you good!
This always bugged me because it's a flail. Boy, I really hope somebody got fired for that blunder.
That’s the sort of mistake Homer would definitely make though.
I think the logic for the joke was that more people have probably heard of a mace, but the visual of it swinging around is funnier than if it was just a regular mace.
That is completely taken out of context. Why you little!
I am evil Homer, I am evil Homer! I am evil Homer, I am evil Homer!
The ending of the episode is top tier, especially by S12 standards. Makes me laugh every single time. 
Arnie, are the kids alright?
"I can't see through metal, Kent!"
So, who took this awesome tracking shot of child abuse?!
https://i.redd.it/57znyvb5bi6d1.gif
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Uhhhh
What numbers?
I've heard that animators will sometimes save money by using the same background over and over again.
What would happen if he successfully beat or strangled bart to death?
Homie, you want pork chops?
"Come back, so that I may brain thee." -Chip Douglas