Last week during the COP26 summit in GLASGOW (Scotland) a lot of speakers mis-pronounced "Glasgow" (it should rhyme with 'snow' but many American speakers rhyme it with 'how'.
Have you tried Mark Hancock's marvellous 'ow' word maze?
Get more of Mark's Pronunciation Games on his website.
Members Academy - Review 'o' sounds in the Speaking Bootcamp Day 16.