PugsAce: The pin can be pulled when off the green, but I've not managed to keep it pulled. It always goes back in, just as I'm making the shot.
Confirmed. This feature just doesn't work, and has never worked for me.
And while it doesn't work, it's very distracting. The "pull flag" button needlessly appears every single time I try to aim at the hole with my mouse.
This should be a small, discreet button somewhere at the edge of the screen, not one that pops up in the middle of your screen, disrupting your preparations for every shot/putt!
At long last, let's also make use of some keyboard shortcuts in this game. For example, press F on the keyboard = flag pulled. Pres F again = flag replaced.