There appears to be a way to manipulate this 7-7-7 slot on the very first shot of the game in Vegas. Oh my. I get it about 1/15 times, it seems.

Played on the Switch Retro Brawler Bundle, on Original mode (unaltered, as far as is known)

Mod Note: Start Time 13.233, End Time: 22, Frame Rate: 60, Time: 8.767