They look like stories. What do they do?
nostr:npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s I really like this from farcaster, very useful type of control to segment what I want to browse on the app, it would be very interesting for damus as well something similar 
Discussion
they open a 'channel' but it's much more like a subreddit or glorified hashtag experience. find it useful for when I want to browse specific content