The taste and not just drink an airplane bottle. But the put a micro dose in the cap. Is there anything out there like that he is currenly doing could on this new pickle tasting stuff. Had the same small bottle over 3 months. Anything kind of similar?
Bitrex is a substance you put in poisonous stuff (like antifreeze) so that kids and animals don’t drink it.
https://www.bitrex.com/what-is-bitrex/
This is also used as nail polish to make children stop chewing nails.
I actually loved the taste of that stuff - it made it worse.
I seem to recall this not being very effective, but I can’t find any studies right now either way. Lots of marketing, and a little bit of anecdotes, but no studies.
The idea being that they get used to it and just ignore it, because they want to bite their nails. At best it serves as a reminder when they do.