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You might be on to somthing here with that part, Same as Joke1176 was saying about his J-nat slurry experiment...

I wonder if smoothing/smashing with a round edge might help that along and also...

Yes but no
Stropping is a different media and action so it is not the same even though the grit might be...
Using the same grit, anything can react differently by just switching the stropping...