號數: SCP-173

項目等級: 歐幾里得

特殊收用措置: 項目SCP-173是該常時保管於鎖收用函。乃人須入是室、不問何時弗得少於參人而當戶再鎖。常時、貳人容是與持注視訖全員退室且戶再鎖。

說明: 於壹九九參年移第壹九基地。起源未知。由混凝土與鋼筋竝有Krylon漆痕。是能動且示高度敵意。是在直接視線內不能動。視線於是不得斷。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.