Asymmetric entry-exit

Asymmetric entry-exit is a term of convenience for referring to any membership requirement which is applied more heavily once a member has joined. (It could also apply to the opposite, i.e. strict rules for membership which are only applied to new members and relaxed afterwards, but this is generally less prone to abuse; the former is more like "bait-and-switch", while the latter is more like having an overly harsh warning label.)

Fictional Example

• In Babylon 5, the "Night Watch" story-arc illustrates this and several other Concepts