Theatrical routine or gimmick (informal) — kitsch (anag) (6)

I believe the answer is:

shtick

(Other definitions for shtick that I've seen before include "Performer's routine" , "Comedian's routine - kitsch (anag)" , "funny routine" , "comic's routine" , "comedy routine" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.