[gpxyz]

Poking around, there's a subreddit[0] with users who seem to report varied results, and some discussion there of another study on swallowing in the bridge position[1]. Interesting stuff, thanks OP!

[0] https://www.reddit.com/r/karrfalt/

[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9550520/