My problem with the majority of boosters out there is that they're too short. They're fine if you wear medium. But if you wear large or X-large... they cover just over half.
Those Eterna-dry boosters --- they're plenty long enough, but as stated, they'll cover up the leak guards - and will likely cause as much leaking as they're trying to prevent.
This is intriguing. Are you referring to these boosters?
https://eu.abuniverse.com/products/powerups-europe-edition
And do they have a babyish, squishy feel to them when wet? I loved the Confidry brand for this reason and I am trying to replicate that diaper's feeling.
Probably easier to achieve mental conditioning that doesn't need physical results to re-enforce it yes, there are files like this - Hypnocat on Etsy does good work.