You can either use the session-wide link, persistent links, or single-use links.

Session-wide link

If it's not practical for you to use a Room, you can distribute the following link to participants.

https://multiattributetask-1d8be898f1f5.herokuapp.com/join/jafabalo

Persistent links

For a real session, you should use a room.

Single-use links

Below are single-use links.

P1	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/2r3ycmej
P2	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/ymtca3c7
P3	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/oaiq0bof
P4	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/dtlyda14
P5	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/1esvqij5
P6	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/iwxg0217
P7	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/zndzbvxs
P8	https://multiattributetask-1d8be898f1f5.herokuapp.com/InitializeParticipant/bunw1c6w