Did I mention I was wearing full hockey gear? ;)
Now that just borders on idiocy....... lol.
Well, it did cross my mind. Falling off is a distinct possibility.
I've wondered about a harness for rollers. Have a little slack, but if the bike drops, you stay up while the bike flies away, hooked to the ceiling or something.
That crossed my mind too....using my climbing harness or the TRX. But I would be afraid of a malfunction that might cause me to hang myself.