ehm... I may be just a big idiot, but what does it do?
Well, when you install it per the instructions it adds 12 new historical based maces to the game. Its mainly intended for Modders to use in there Mods. See the thread at Taleworlds forum:
Taleworlds Forum thread on Glucks Mace Add On
i did d/l it but its WAAAAAY to complex for me to install properly

ummm are we talking about the same mod?? Did you read the readme file? Its one of the easiest to install. Check out the readme file... I hope it helps
i read it but im no good with files ect.

Very interesting, I might give them a proper textures, models are nicely done