How to access Jaheira's house in BG3, Pin Slot and puzzle guide

pin slotSpring pin fasteners, also known as roll pins, split pins, or slotted spring pins are cylindrical metal pins with a split down their length that allow them to compress and expand when inserted intoSlotted spring pin (1) and washer (2) used to secure a shaft (3). A spring pin (also called tension pin or roll pin) is a mechanical fastener that secures the position of two or more parts of a