 The ones on the left and right are of normal size, but the central entrance, called the , is quite small and requires one to crouch in order to enter.This was an effective form of crowd control in the Edo period, and, along with armed guards, helped prevent anyone from entering without a ticket.While the average commoner playgoer had to use this small "nezumi kido", those associated with the Kanemitsu-in used the "goyō kido" on the right.