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Toilet lock in a train
- mixes different functions (lock and emergency release) on the same interface (twister)
- despite primary function (lock) being ancient (I.e. extant #affordance), the mix of functions means signage required
- instead of labels at twister positions, a diagram of the lock/release is recreated directly above it
- the diagram lacks visual symbols and Braille

Why is this still happening? How do we make it stop? How do I get less annoyed about jt?