A fact from Kaumodaki appeared on Wikipedia's Main Page in the Did you know column on 1 February 2015 (check views). The text of the entry was as follows:
Did you know... that the god Vishnu's mace represents his wife?
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The final paragraph of the lead is quite vague in its language (i.e. "regarded" without saying who regards it this way and "various texts" without specifying what they are.
Is the first image in the "iconography" section a photo of the early depiction of the Kaumodaki in Vishnu's right hand that you were speaking of? Specify in the image's caption either way.
"the lower hands rest of two dwarf figures" What does this mean? Are you describing the other two objects typically associated with Vishnu? Or something else entirely? Either way, we're not sure what "dwarf figures" mean.
I would probably put all the Gadadevi stuff together and not start it in the middle of a paragraph—in addition to the first sentence, there's another sentence in there which does not describe Gadadevi.
"The mace or club is one of the oldest weapons known to man" This is a bit informal and kind of irrelevant. If you really want to keep it, it needs to have a backing inline cite after it.
Second sentence also needs a citation afterwards--otherwise it reads a bit like OR.
In its current form, because you don't go into too much detail on the popularity with Vishnu worshippers point, I might remove the first two sentences--the third sentence is kind of a natural starting point.
For three comments above: theory 1 - since it is one of the oldest/strongest weapons, it is seen with Vishnu. Theory 2 - popular with worshippers, so they started depicting it with patron god. Theory 3 - association of gada with the epic heroes.--RedtigerxyzTalk06:11, 25 July 2015 (UTC)Reply
For people this far through the article, you don't need the (mace) parenthetical or any replacement.