Do vacuums actually make your waist tighter in a relaxed state?

Or is it just the fact that you get better at vacuums over time, and can “suck in” more?
submitted by /u/Debber10 [link] [comments]

Or is it just the fact that you get better at vacuums over time, and can “suck in” more?

submitted by /u/Debber10
[link] [comments]
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