NATHAN Strap-On Hollow Strap-On by Party Up

The NATHAN Strap-On Hollow Strap-On by Party Up is a harness-mounted hollow dildo that adds substantial girth while preserving natural sensation through its innovative core design. It suits couples who want improved dimensions without sacrificing the intimate connection and physical feedback that makes partnered sex meaningful.

What it is and how it's made

The NATHAN Strap-On Hollow Strap-On by Party Up is a strap-on harness system engineered around a hollow-core shaft that cradles your natural anatomy while adding impressive external dimensions. The soft TPR construction features realistic veining and textured ridges that deliver targeted stimulation to your partner. Unlike solid cock rings or basic strap-ons, the hollow design preserves your direct sensation and control—you feel what's happening, not just the weight of a toy.

The harness itself combines ABS, polyurethane, nylon and metal reinforcement to create a system that stays firmly positioned without slipping, regardless of activity intensity. The adjustable waist straps fit sizes 80–118 cm and distribute weight evenly, preventing fatigue during longer sessions. At 209 grams, the NATHAN remains manageable and comfortable, letting both partners stay present and connected rather than distracted by equipment management.

What stands out

• Hollow core technology: The 3.5 cm inner diameter accommodates your anatomy naturally while outer dimensions add 4.3–4.7 cm of girth, creating improved sensation for your partner without numbing your own feedback.
• Realistic textured surface: Soft TPR with strategically placed veining and ridges generates noticeable stimulation that feels genuine rather than clinical or artificial.
• Secure metal-reinforced harness: Adjustable straps with metal backing stay perfectly positioned across different body types, eliminating mid-session slipping or repositioning interruptions.
• Lightweight design: At just 209 grams, the NATHAN won't cause fatigue or discomfort during extended wear, keeping your focus on connection rather than strain.
• Warmth retention: Soft TPR quickly reaches body temperature, creating a realistic sensation that feels natural and intimate from first contact.

The technical detail

• Shaft material: Soft thermoplastic rubber (TPR) with realistic veining and textured ridges throughout the length.
• Harness materials: ABS plastic base, polyurethane straps, nylon reinforcement, and metal-backed adjustment points for durability and security.
• Inner dimensions: 3.5 cm diameter, 12.5 cm length—made to accommodate without constraint while outer dimensions reach 17.5 cm total.
• Girth improvement: Outer surface adds 4.3–4.7 cm of circumference for noticeable improvement without overwhelming sensation.
• Waist fit range: Adjustable straps accommodate 80–118 cm waist measurement with secure metal-reinforced closures.
• Weight: 209 grams total—distributed across the harness to prevent fatigue during sessions.
• Box contents: NATHAN strap-on harness system with adjustable straps and cleaning guide.

Wearing a hollow cock ring comfortably

Begin by adjusting the waist straps to sit comfortably around your hips—they should be snug enough to prevent movement but not so tight that they restrict circulation or create pressure points. Warm the TPR shaft with your hands or warm water before insertion, as this softens the material and makes initial fit smoother. Once positioned, the hollow core should cradle your natural anatomy without pinching; if you feel constriction, loosen the inner dimensions slightly by adjusting your stance or the harness angle.

During use, the realistic veining provides genuine stimulation for your partner while you maintain direct sensation through the hollow design. Take time to find your rhythm—the lightweight construction means you can move naturally without the toy leading your motion. For extended sessions lasting more than an hour, check positioning every 15–20 minutes and adjust straps if needed. If you're exploring complementary options, Dual Cock Rings can be layered for additional sensation without replacing the hollow core experience the NATHAN delivers.

Who it suits

Care and storage

Wash the TPR shaft and harness components with warm water and mild soap immediately after use, paying attention to textured ridges where fluid can collect. Dry completely with a soft cloth before storage. Store the NATHAN in a cool, dry place away from direct sunlight, which can degrade TPR over time. Keep the harness away from extreme heat and do not expose to oil-based products, which can damage the material. Check metal-reinforced straps regularly for corrosion or wear.

Want to know more?

Understanding how different strap-on designs affect sensation and connection takes practice and experimentation. Our Cock Ring Guide covers material choices, fit considerations, and how hollow versus solid constructions deliver different experiences. Learning what works for your body and partnership makes every session more enjoyable and confident.

What to expect

The hollow core feels completely different from solid strap-ons on first use. Your anatomy sits inside the 3.5 cm diameter while the outer surface adds girth, meaning you immediately notice the difference between what you feel and what your partner experiences. Most first-time users are surprised by how connected they remain—you're not wearing a disconnected toy but an extension that maintains your direct sensation and control.

The adjustable harness takes a few minutes to position correctly. Straps should sit snug against your hips without digging in; if you feel pressure points after 10 minutes of wear, loosen them slightly. The soft TPR warms within seconds of contact, eliminating any initial coldness. Many users find that extended sessions become more comfortable after the first 15 minutes as the harness settles into your body's contours.

Cleaning is straightforward—warm water and mild soap work well, though you'll want to pay extra attention to the textured ridges where fluid can linger. The TPR doesn't absorb odours if dried properly, and the metal components resist corrosion if kept dry. Most users find the NATHAN holds up well through regular use when stored away from heat and sunlight.

The lightweight design means fatigue isn't an issue for most users during typical sessions. If you're planning sessions longer than two hours, periodic adjustment checks keep everything positioned correctly. The realistic veining delivers genuine stimulation for your partner without feeling harsh or overwhelming, making it suitable for varied intensity levels and play styles.

How it compares

The bottom line

Secure your connection and confidence with the NATHAN Strap-On Hollow Strap-On by Party Up. The hollow core design means you maintain genuine sensation and feedback while your partner experiences impressive girth improvement and realistic textured stimulation. Order it from Malechastity.com.au with discreet Australia-wide delivery. Add the NATHAN to your collection today and discover what improved intimacy actually feels like. Discreet, Tracked Shipping Australia-Wide.