make your dummy active and type /timeout password into the chat, then give the password to your friend
04:12
unplug your ethernet cable or whatever to timeout, when the server announces that they have timed out your friend can type /timeout password into chat to take control of your dummy
04:12
then when you re-join it will automatically reconnect you to your main tee
I wasn't really online then, I just saw your question and replied real quick. I'm online now but it looks like the funvoters left. Let me know if you see them start again.