Object
Prison Cell Straw Mattress
Distinct from the Monastery Cell Door Shutter; this is a furnishing object used for confinement and concealment, not a structural/observation feature.
3 appearances
Purpose
Provides minimal bedding for prisoners and serves as a hiding spot for items
Significance
Emphasizes the cell's harsh austerity; conceals the sacred Ghanta bell, linking the Doctor's imprisonment to the monastery's Yeti conflict and Thomni's spiritual devotion
Appearances in the Narrative
When this object appears and how it's used