No offense to the Cathoilcs out there. This move is the classic run 'em straight football pass. At Disney it is a little different. OK so this is really for parents with kids and not much more. Here is how it goes, you get in line for say Space Mountain. You are so ready to be hurled around like a paper doll. But junior is not. Use the HM pass. One parent rides while the other waits with junior. When the parent that rode comes back to the loading area, tell a CM that you are using the pass. (don't literally tell them, just say that your child does not want to ride, and they will be happy to assist you) Then the other parent that waited gets to ride. HOWEVER this does not work at all rides. LIKE Haunted Mansion, so beware. Remember you do NOT HAVE to ride once you get in line. THere is no rule making you ride, so leaving is fine.