Snap-On KR562 Taco Wagon - Removing Corner Trim

[modified]

Hi all, recently acquired a pretty nice Aviation Box which requires a little TLC. Does anyone know the correct procedure when removing the Stainless corner dressing? I have to remove a few of these to access the paneling beneath for straightening and dolly work. These corner pieces appear to be captive and I've tried in vain to remove these buggers. Just coming short of making more work and possible misery for myself as my impatience wanes! lol ! Thanks!

 

[Lookin4'67Galaxieconv]

Any pictures? I think you just need to drill out the fasteners. I've owned a few of these, but never took the trim off.