SCP-173

Item #:  SCP-173

Object Class:  Euclid

Special Containment Procedures:  Item SCP-173 is to be kept in a locked container at all times When personnel must enter SCP-173's container, no fewer than 3 may enter at any time and the door is to be relocked behind them  At all times, two persons must maintain direct eye contact with SCP-173 until all personnel have vacated and relocked the container

Description:  Moved to Site-19 1993 Origin is as of yet unknown  It is constructed from concrete and rebar with traces of Krylon brand spray paint  SCP-173 is animate and extremely hostile  The object cannot move while within a direct line of sight  Line of sight must not be broken at any time with SCP-173  Personnel assigned to enter container are instructed to alert one another before blinking  Object is reported to attack by snapping the neck at the base of the skull, or by strangulation  In the event of an attack, personnel are to observe Class 4 hazardous object containment procedures

Personnel report sounds of scraping stone originating from within the container when no one is present inside This is considered normal, and any change in this behaviour should be reported to the acting HMCL supervisor on duty

The reddish brown substance on the floor is a combination of feces and blood Origin of these materials is unknown  The enclosure must be cleaned on a bi-weekly basis