Should we be worried about this? [X(] Falling off the earth? Holy cow -- I never worried about that one before!! [] Top & bottom getting out of sync? OMG -- what happens if it doesn't get lined back up the right way? All of my props will be backwards -- I'll have to get reed engines that run backward -- what a pain [:@]

Don't spread this around -- it will cause a run on the supply of pusher props!![&:]