I didn’t do the initial build and paint with the gripping hands, so I quickly followed through the very same procedure I used for the paint effects on the gripping hands. I was pleased the techniques continued to work rather than being a lucky fluke the first time around.
Got to say I’m happy with how this wild experiment worked out! 
So all I can do now is leave you with some more pictures to enjoy!
T’is a different gravy my friend. Gush, love it!!!
It look pretty cool, specially some parts around the skirts are really well done ! I wonder why the left shoulder joint is clean though.
I wonder also why the screws circled in black on the shoulder are cleaner than the rest. Just some small details but it looks good. It’s always hard to add some rust or any weathering effect without an environment ! Anyway I’m already looking for your next work
The shoulder joint is clean because unless in this kind of pose, it’s not exposed to the elements. I tried to think about where the elements would interact with the armour and the scratches and rust would form. I guess I also thought because the screws are recessed they’d not get nocked enough to scratch and thus be susceptible to rusting.
Honestly, I feel like you overdid the rust, yeah I understand you wanted it to look old and beaten up, but still… eh.
Great work nontheless!
A few months back I’d have been in complete agreement with you! Then I started researching military modelling techniques and looking more into how to really weather up a mech. I’d never been one for strong weathering, but once you get into it it’s an effect you can really enjoy doing, and gain an appreciation for.