The stainless parts look like whiskers too. On my 69, all my whiskers have a chrome edgeIt appears that the black parts on the left are ‘cat whiskers’ and appear to be the ones that mount to the quarter panel skin on the outside of the rear quarter window glass.
I am unsure of the stainless steel parts.
I hope this helps.
Those are the interior A-pillar trim pieces where they meet the dash.
They are just as @Clover said they were.The stainless parts look like whiskers too. On my 69, all my whiskers have a chrome edge