This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
(noun) a person in charge of the sacristy (a room in a church where a priest prepares for a service, and where ceremonial equipment are kept)
"[...] take part in the life of the spirit as vergers or sacristans"
in a locked sacristy