You can print some small bookmarks and write some mental health knowledge on them; There is also a kind of decompression ball that is often distributed in the company, on which the name and publicity of the club can be printed, which is probably more expensive; Or make the bracelet look like a world without complaining. If there are topics such as positive thinking in the lecture, you can give meaning to the bracelet and distribute it, or you can make an initiative or something.
Come on!