Bed restraint system - under the mattress in blackThis black bed restraint system is designed for beginners interested in light restraint and playful bedroom exploration. The system fits discreetly under the mattress and works with most standard bed sizes, allowing quick setup without permanent installation. Adjustable straps connect to soft cuffs for wrists and ankles, offering flexibility in positioning while remaining comfortable. Once installed, the system stays in place under the mattress,