Based on the Gate Control Theory of Pain , the body has a neural "gate" in the spinal cord that can either block or allow pain signals to reach the brain.

In rugby, a scrum binds eight players together, pushing as one unit. In Agile software development, a scrum is a cross-functional team working under pressure toward a sprint goal. Our adaptation——refers to a structured multi-top/multi-bottom scene where participants form a tight human chain or pile, often using shared suspensions or interconnected harnesses (shibari).

The "Pain Gate" terminology likely draws from the . In a psychological and erotic context, this theory is used to describe how the brain processes intense sensations:

: In practice, this often involves "flooding" the senses with high-intensity stimuli to reach a state of subspace , where the distinction between pain and pleasure blurs due to the release of endorphins and adrenaline. Key Themes in Japanese BDSM (Kinbaku & Shibari)