Polygroups from UVs -- Mask from Polygroups edges -- Grow, blur and sharpen the mask to your liking -- Add some noise to the mask.
And that's about it! You should mark the seams for the UV's where you have a sharp edge, AKA, where you want edge wear :)
**********************************
If you want to get a notification each time I upload a video, subscribe and turn on the little bell icon at the side of the subscribe button!
***********************************
My Site: https://simonsanchez.art/
Gumroad: https://gumroad.com/simonsanchezart
Twitter: / simonsanchezart