--- title: "Sei Mio The Bed Spreader Under the Mattress Restraint System - Black" url: "https://phareros.com/product/sei-mio-the-bed-spreader-under-the-mattress-restraint-system-black/" type: "product" brand: "Creative conceptions" price: "59.99" currency: "USD" availability: "in_stock" phareros_score: "83" image: "https://imagedelivery.net/yMyw0dLbvNU5PSeclkTipg/wp-622567-ed6f230df77b2523/public" --- # Sei Mio The Bed Spreader Under the Mattress Restraint System - Black - **Price:** $59.99 (was $60.00) - **Availability:** In stock - **Brand:** [Creative conceptions](https://phareros.com/brand/creative-conceptions/), [Sei Mio](https://phareros.com/brand/creative-conceptions/sei-mio/) - **Category:** [Bondage](https://phareros.com/product-category/bondage/), [Restraint Kits & Combos](https://phareros.com/product-category/bondage/restraint-kits-combos/) - **SKU:** CRC-SM-001 - **GTIN:** 847878001377 - **Product page:** https://phareros.com/product/sei-mio-the-bed-spreader-under-the-mattress-restraint-system-black/ - **Image:** https://imagedelivery.net/yMyw0dLbvNU5PSeclkTipg/wp-622567-ed6f230df77b2523/public ## Phareros Score: 83/100 Body safety and quality, rated only on available evidence. Evidence: Body-safe Metal; Reputable brand. How the score works: https://phareros.com/phareros-score/ ## Specifications - **Weight:** 1.14 lbs - **Dimensions:** 7.625 × 2.375 × 12.5 in - **Gender:** Unisex - **Manufacturer:** Creative conceptions - **Product Type:** Bondage Blindfolds & Restraints - **Packaging:** Box - **Color:** Black - **Material:** Metal ## Description Transforming your bedroom into a private sanctuary of sensation is effortless with the Sei Mio Bed Spreader. This clever 4-way restraint system is designed to slip discreetly under your mattress, effectively turning your existing bed into a playground for exploration and power play. Whether you are looking to experiment with light teasing or more intense bondage, this system provides the structural foundation needed to explore new boundaries without the need for heavy, permanent dungeon equipment. #### Key Features - **Universal Compatibility:** The adjustable straps are designed to fit all bed sizes, including Single, Double, King, and Super King. - **Enhanced Comfort:** Features soft, padded cuffs to ensure a comfortable experience during extended play sessions. - **Versatile Design:** Includes a central carabiner design and removable straps to unlock bonus positions and varied angles. - **Quick Release:** Equipped with easy-to-use velcro fastening for rapid release when you need to transition between activities. - **Discreet & Flexible:** The system is easy to fit and simple to store away when you aren't in use. - **Durable Construction:** Crafted from a sturdy blend of Metal, Nylon, and Polyester for reliable use. Safety and comfort are the most important elements of any bondage session. Because the Bed Spreader allows for significant positioning, it is vital to monitor your partner closely. While the padded cuffs are designed for comfort, staying in a single position for too long can lead to numbness or circulation changes. Always check that limbs remain a healthy color and never use knots or fastenings that cannot be undone in an instant. The quick-release velcro on this Sei Mio system is a fantastic feature for ensuring you can react immediately if discomfort arises. To keep your play sessions varied, take advantage of the removable cuffs and the central carabiner. You aren't limited to just four corners; by adjusting the tension and using the central point, you can move limbs into different planes-such as bringing arms behind the back or closer to the torso-to change the sensation and the level of restriction. When you are finished, the lightweight design makes it easy to tuck the straps away, keeping your bedroom looking like a peaceful retreat rather than a dungeon. Discover your next adventure and explore the full range of sensory play equipment at [Phareros.com](https://phareros.com/) . ## Frequently asked questions #### Does this system fit different sized beds? Yes, the adjustable straps are designed for universal compatibility, fitting all bed sizes including Single, Double, King, and Super King. #### How easy is it to use and store? The system is designed to be discreet and flexible, making it easy to fit and simple to store away when you aren't using it. #### What safety precautions should I keep in mind during use? Because the system allows for significant positioning, it is vital to monitor your partner closely, and always check that limbs remain a healthy color. #### What makes this system versatile for different play styles? It features a central carabiner design and removable straps, allowing you to adjust tension and move limbs into different planes to change the sensation and level of restriction. ## Similar products - [Sei Mio Comfortably in Control Deluxe Sex Position Restraint System - Black](https://phareros.com/product/sei-mio-comfortably-in-control-deluxe-sex-position-restraint-system-black/) — $49.99 (was $50.00) - [Sei Mio Spread the Love Ankle Spreader Bar w/Wrist Cuffs - Black](https://phareros.com/product/sei-mio-spread-the-love-ankle-spreader-bar-w-wrist-cuffs-black/) — $44.99 (was $45.00) - [Sei Mio Doorway Play Adjustable Over Door Cuff Restraints - Black](https://phareros.com/product/sei-mio-doorway-play-adjustable-over-door-cuff-restraints-black/) — $30.99 - [Sei Mio Complete Surrender The Ultimate Bed Tether Seduction Set](https://phareros.com/product/sei-mio-complete-surrender-the-ultimate-bed-tether-seduction-set/) — $101.99 (was $102.00) - [Sei Mio Behind Closed Doors Hanging Sex Swing - Black](https://phareros.com/product/sei-mio-behind-closed-doors-hanging-sex-swing-black/) — $79.99 (was $80.00) --- ## Buying from Phareros Free US shipping on orders over $49. Orders ship in plain packaging with no external markings. Card statements show "Enterprise Refinery LLC", not the store name. Details: https://phareros.com/discreet-shipping/ Site index for AI agents: https://phareros.com/llms.txt