Chapter 9: The Marshal - S2-E1
Other mistake: The acid the dragon spits is purported as highly corrosive, literally melting people, however Mando is unaffected by it despite being bathed in it. His armor might be Beskar, but there are plenty of spots (those that his enemies constantly seem to miss) that are not. He should be at least in some discomfort and in need to change, and not carry around his neck a cape soaked in venomous dragon vomit.
Chosen answer: They could be just like wrinkles from age, like the elderly Togruta in the Zygerrian slaver arc in The Clone Wars series, as Ahsoka is considerably older than her animated appearances. I think there is probably a character design/stylisation aspect to it as well - the other Togruta we've seen in live action, Shaak Ti, has four segments or folds in her lekku that were not visible in her Clone Wars appearances, so it would seem the character design in Clone Wars and Rebels reduces such features.
Sierra1 ★