I'm nowhere near starting to actually build my first guitar body (a baritone made from some reclaimed, old growth redwood from my home remodel) but I'm leaning towards something like the Fender Meteora shape. With that, I think a nice aesthetic compliment will be either a hot rolled steel (with its mill scale) or acid-etched aluminum pickguard. Is there anything I need to be aware of, plan for, or adjust when using a metal pickguard? Any thing I'd need to do differently compared to using standard pickguard plastic? Either in terms of grouding, potential issue with a magnetic material, shielding, or anything else you can think of? Thanks in advance.