> Yes, I'm pretty sure there's secondary articulation of some kind involved.
> Possibly a combination of factors; the higher-pitched one being laminal as
> opposed to apical, and possibly also a bit palatalized. But you're probably
> right about the labialization (although lip-rounding is physically
> difficult for Tricha, their language does have a sort of "rounded" vowel
> which is probably pronounced with lip compression as in the Swedish /u/).
Fascinating. Feel free to ask me any click related questions.