Femur Breaker Sound -

: Press the button to start the hydraulic press. The sound will play, and SCP-106 will eventually appear.

: SCP-106 is attracted to the cries of "weak" or suffering prey. The facility broadcasts the sound over the intercom to lure him back into his chamber. Femur breaker sound

The sound is widely recognized in internet culture and meme communities for its distinct phases: : Press the button to start the hydraulic press

: An automated hydraulic press designed to inflict maximum pain. Femur breaker sound

: The mechanical sound of the hydraulic press engaging. The "Snap" : A sharp, sickening crunch of the bone breaking.

: This ensures the sound is projected facility-wide.

The sound is part of the , a procedure used to re-contain SCP-106 ("The Old Man").