Like this?I have tried various versions of wiggle bugs in lily pads or other cover, and had very limited success. As people have said, the lip catches on everything. I have done OK with “gutless frog” type of flies, which can be tied with a smooth non-snaggy head, ride hook point up, and can be worked with a walk the dog type of action once they are out of the crap. I still only hook a fraction of the fish that hit the thing, but that is probably mostly me rather than the fly.
I have had a couple of decent days gear fishing with these:
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It’s called a “horny toad”. Fishes hook point up and slides over lily pads with its little feet kicking away. A fly version of that would be worth playing with.


This one slides/tumbles over thick pads really well and has had spectacular blowups on it, but I've yet to land a fish on it that way. It feels like they tend to get a mouthfull of weeds along with the fly, so no good hookset. Or I just blew it
You could add kicky feet if you like, but I'm pretty sure those big fish didn't even see it - just heard it on top of the pads.