Tbh my $3 glass spray from Walmart works better on mirrors than any all purpose cleaner I've tried.

Yo I feel this hard. Those cheap filters with the cardboard end caps are straight up garbage. I had a buddy's 5.3 Chevy eat a cam because the filter collapsed and bypassed all the time. Never again, I only run Wix or Motorcraft now, the extra 5 bucks is nothing compared to a new motor.

Haha man, I feel that. I'm the guy who bought a raw copy of a key book once, thought it looked flawless, sent it in for grading and got a 9.2 back with a "slight spine roll" I legit could not see without tilting the slab at the exact wrong angle. Now I walk around with a loupe on a lanyard like some kind of dorky comic book inspector. My crew makes fun of me for it, but I'll take a little ribbing over dropping coin on a hidden flaw any day.

Think you might be overthinking this one.

@the_holly has a point, but tapping can work if you already know the watch.