Object
Sink Pipe Descent Chain
Located in the sink, providing a 30-foot vertical descent route from the sink's edge to the garden below, used as an escape route by Ian, Barbara, and the Doctor.
2 appearances
Purpose
Escape route from sink interior to garden surface
Significance
Forces group separation then reunion amid escalating perils, tests physical limits and loyalty as they shift from survival to pursuit.
Appearances in the Narrative
When this object appears and how it's used