From the Hallway (Clubhouse Room Feed),
- Tap the paper airplane icon
- Tap the pen and paper
icon located in the top right corner of the Backchannel - Here, you can search to find the person you're looking for to create a new thread! You can find the people you follow and those who follow you in search.
You can also send messages by tapping the paper airplane icon on a user's profile. This icon will only be visible if the user has messages turned on to everyone or if they follow you.