This usually refers to a piece of furniture or a structural frame used in BDSM for suspension or positioning. A "helpful" text in this context focuses on Safety and Installation Load Bearing:

Design and Construction

Start Simple: For beginners, recommend starting with soft restraints like silk ties or scarves before moving to more advanced tools like spreader bars.

Conclusion

Local Respect: As a site of local folklore, keep noise levels reasonable if the arch is near residential areas.

This approach treats bondage as a form of human architecture. The Aesthetic

• Nerve compression: In the armpits (brachial plexus) and lower back (sciatic nerve roots). An improper arch can cause fingers to go numb within minutes.
• Breathing restriction: If the arch is too deep or the chest is compressed by ropes crossing the sternum, the diaphragm cannot fully descend.
• Joint strain: The shoulders are internally rotated when hands are pulled wide above the head. This can lead to rotator cuff tears if held for more than 15–20 minutes without release.

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