How To Polish a Glock - Gen 5 - and areas often overlooked

How do you polish a gen 5 glock with the .25 cent trigger job - we discuss it here.
My take on the .25 cent trigger job on Glock pistols - with updates for the gen 5. Remember - smoothing surfaces - not removing material and changing geometry. Items I used in this video are available on Amazon here (Affiliate Links):
Glock tools - amzn.to/2QOQ5kg
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Emery board - amzn.to/2LxphPA