Day-Glad Pu Harness With 3 Different Size Metal Ring

Penetrative play demands a harness that stays stable and adapts to your body and toys. The Nanma Day-Glad Pu Harness With 3 Different Size Metal Ring solves this with adjustable straps, three interchangeable O-rings, and a striking holographic design that performs as reliably as it looks.

What it is

The Nanma Day-Glad Pu Harness With 3 Different Size Metal Ring is a wearable harness designed to hold dildos securely during penetrative play. Constructed from flexible polyurethane with a holographic finish, it features adjustable waist and thigh straps that distribute weight evenly across your body, preventing shift or pinching during movement. The front panel holds your chosen dildo steady while three interchangeable metal O-rings accommodate different toy diameters—5 cm, 4.5 cm, and 4 cm. This means one harness works with multiple toys and partners' preferences without requiring separate purchases. The buckle closures are mechanical and reliable, with no electronics to fail or charge.

Polyurethane construction resists moisture and cleans easily between sessions, supporting repeated use without degradation. The material molds to different body shapes while maintaining structural integrity, and the holographic finish creates visual confidence and impact. See the full BDSM Australia range of Strap-On-Me harnesses and compatible toys to build your penetrative toolkit.

Key features

• Three interchangeable O-rings: Swap between 5 cm, 4.5 cm, and 4 cm sizes without removing the harness, enabling quick transitions between toy sizes during extended sessions.
• Adjustable straps: Waist and thigh buckles fit bodies with 24–40 inch waists and secure firmly without restricting circulation or shifting during vigorous movement.
• Holographic finish: Striking visual design catches light and creates psychological impact before and during play, enhancing confidence and dominance presentation.
• Stable front panel: Metal O-rings hold dildos flush and steady, preventing rotation or movement that could disrupt penetration or comfort.
• Body-safe material: Non-porous polyurethane prevents bacterial growth, resists all lubricants, and cleans thoroughly with warm water and soap.

Specifications

• O-ring dimensions: Three metal rings measuring 5 cm, 4.5 cm, and 4 cm diameter for accommodating various dildo shaft widths.
• Strap adjustment: Waist and thigh straps fit bodies ranging from 24 to 40 inches with secure buckle closures positioned for comfortable wear.
• Material composition: Body-safe polyurethane with holographic finish; non-porous construction prevents bacterial colonization and supports easy sanitisation.
• Fastening system: Mechanical buckle closures require no batteries, electricity, or charging; buckles remain secure throughout extended fucking sessions.
• Water resistance: Polyurethane and metal components resist moisture; compatible with water-based and silicone lubricants without degradation.
• Package contents: One adjustable harness with three metal O-rings, all components ready for immediate use after unpacking.

How to use a strap on sextoy

Before wearing the harness, select the O-ring that matches your dildo's shaft diameter. Step into the harness and pull it to your waist, positioning the front panel against your body. Fasten the waist buckles snugly without restricting your breathing or circulation. Adjust both thigh straps firmly against your inner thighs for stability, then insert your dildo into the selected O-ring, ensuring it sits flush and secure. Move around and test your positioning before engaging with a partner to confirm the harness remains stable and comfortable. Pay attention to how the straps feel during movement; minor adjustments now prevent discomfort later.

During penetrative play, the interchangeable O-rings allow you to swap toys between positions without removing the harness entirely. Start with slower movements to let both partners adjust to the sensation and positioning, then increase depth and pace as comfort grows. The thigh straps maintain stability during vigorous fucking, and you can adjust their tension between positions if needed. Pairing this harness with lubricant on both the dildo and your partner's opening enhances comfort and sensation. See the full BDSM Australia range of Sensuva On lubricants to find formulas that complement your play style and material preferences.

Care and storage

After use, rinse the harness and O-rings thoroughly with warm water and mild soap, paying special attention to buckle crevices where residue collects. Pat dry with a soft cloth and allow complete air drying before storing. Keep the harness in a cool, dry place away from direct sunlight. Metal O-rings can remain attached or be stored separately. The harness is compatible with all lubricant types, including water-based and silicone formulas, so clean-up remains straightforward regardless of what you used during play.

Learn more

Understanding your harness and how it fits your body transforms your confidence during penetrative play. Reading about storage and discretion helps you maintain privacy and keep your equipment in top condition. For practical guidance on keeping your toys hidden and protected, read Hide Sextoys for tips that apply to all your equipment.

Mistress Athena's training notes

By Mistress Athena — professional dominant and kink educator, sole instructor behind BDSM Australia's library of training videos. Read her full bio →

The Nanma Day-Glad Pu Harness With 3 Different Size Metal Ring fundamentally changed how I structure my penetrative dominance sessions. Three interchangeable O-rings eliminate the need to remove the harness between toy swaps, allowing seamless transitions that keep my submissives in a state of heightened anticipation. The holographic finish creates immediate psychological impact—submissives recognize it as a signal that their role is shifting into deeper submission before any physical contact occurs. Stability during vigorous fucking means I never pause for mechanical adjustments, maintaining continuous control and dominance throughout extended scenes.

I employ this harness when training new submissives in receiving penetration, beginning with the smallest O-ring to build their confidence and physical capacity. The secure buckle system allows me to maintain complete dominance while my submissive focuses entirely on sensation and submission. My submissives respond powerfully to the visual presence of the holographic finish—the way light catches it creates psychological triggers that deepen their arousal and acceptance of my control. I've observed that submissives who initially feared penetration often become desperate for it after experiencing my dominance through this harness.

Extended training sessions with this harness have proven remarkably effective for deepening psychological conditioning across different submissive types. Starting with the smallest ring and progressing to larger sizes builds both physical capacity and psychological acceptance of my control. Positioning submissives over furniture while I fuck them from behind maximizes the harness's stability and creates perfect leverage for reinforcing their powerlessness. The quick ring-swap capability allows me to surprise submissives with sudden changes in sensation during scenes, intensifying their psychological experience of my dominance.

Combining this harness with bondage and verbal humiliation creates profound psychological shifts in how my submissives understand their submission. The physical sensations of penetration, paired with my verbal control and the visual dominance of the holographic finish, creates layers of conditioning that extend far beyond individual scenes. I've trained submissives to thank me for fucking them, reinforcing their acceptance of my power. The harness has become an essential tool in my arsenal for creating transformative experiences that deepen my submissives' understanding of surrender and control.

See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.

How it compares

Why you'll reach for it

Get penetrative play that adapts to your body and toy collection without compromise. The Nanma Day-Glad Pu Harness With 3 Different Size Metal Ring delivers stable, confident wear with three interchangeable O-rings, adjustable straps for most body types, and a holographic finish that commands attention at BDSM Australia. Quick ring swaps during sessions, easy cleaning, and reliable buckle closures mean you spend more time in control and less time adjusting equipment. Order yours today and discover why experienced users and newcomers alike trust this harness for serious penetrative play. Strong Brands. Honest Service. Genuine Care.