Inertia Flexible Cum Thru Plug By Bdstyle

Urethral play demands precision, safety, and freedom of movement—but most plugs force you to choose. The Inertia Flexible Cum Thru Plug solves that by combining medical-grade silicone with a through-hole design, letting you wear it continuously while maintaining full function.

What it is

The Inertia Flexible Cum Thru Plug is a precision-engineered urethral toy built for serious exploration. Its medical-grade silicone shaft pairs with surgical-grade stainless steel rings and tip, creating a device that's both flexible and durable. The 6mm tube width slides in smoothly while the 30mm external ring sits securely at the base. This combination delivers deep, consistent stimulation without sacrificing comfort or safety during extended wear.

What sets this plug apart is its through-hole design—you can urinate and ejaculate without removal, making it ideal for continuous wear during daily activities or extended scenes. The stainless steel components add both sensation and staying power, while the flexible silicone body adapts to your anatomy. See the full BDSM Australia range of Penis Plugs to compare other options in this category.

Key features

• Through-hole mechanism: Urinate and ejaculate without removing the plug, enabling true continuous wear during work, social situations, or extended play sessions.
• Flexible silicone construction: Medical-grade material conforms to your body while remaining durable enough for repeated sterilization and long-term use.
• Stainless steel rings: Dual rings provide additional stimulation, secure positioning, and a cool sensation that intensifies sensation during wear.
• Precise dimensions: At 95mm insertable length and 6mm tube width, it suits intermediate to advanced users seeking deeper penetration without excessive girth.
• Sterilizable design: Both silicone and steel components withstand boiling or medical-grade disinfectant, ensuring complete hygiene between uses.

Specifications

• Total length: 100mm; insertable length 95mm; maximum plug width 8mm for comfortable insertion and withdrawal.
• Tube diameter: 6mm internal width, sized for intermediate users with some urethral play experience.
• External ring: 30mm diameter base ring for secure positioning and hands-free wear.
• Materials: Premium medical-grade silicone shaft with surgical-grade stainless steel tip and dual rings; hypoallergenic and fully sterilizable.
• Operation: Manual, no batteries or charging required; through-hole design allows continuous bodily function during wear.
• Included: Inertia Flexible Cum Thru Plug, storage bag, detailed usage instructions, and sterilization guidance.

How to use a penis plug

Clean the plug thoroughly with warm water and mild soap before first use, then sterilize using boiling water or a medical-grade disinfectant. Apply generous amounts of sterile medical-grade lubricant to both the plug and your urethra. Begin insertion slowly, relaxing your pelvic floor and allowing your body time to adjust. Once fully inserted, ensure the external ring sits comfortably at the base without pinching or slipping.

Wear time can range from brief sessions to extended continuous wear, depending on your experience level and comfort. The through-hole design means you can maintain normal urination throughout wear without removal. Pair the plug with Penis Wands for added external stimulation during wear. Always listen to your body, stop immediately if you experience sharp pain or discomfort, and clean thoroughly after each session before storage.

Care and storage

Sterilize the Inertia Flexible Cum Thru Plug between uses by boiling for 3–5 minutes or soaking in medical-grade disinfectant. Rinse thoroughly with clean water and dry completely before storage. Keep it in the provided storage bag away from direct sunlight and extreme temperatures. Only use water-based or sterile medical lubricants to preserve the silicone and steel finish.

Learn more

Urethral play sits within a broader landscape of penis stimulation techniques, each offering distinct sensations and psychological dimensions. Understanding your anatomy, your limits, and the full range of tools available helps you make informed choices about your practice. Read our guide to Penis Extenders to explore how different devices complement urethral play.

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 Inertia Plug has become essential in my control protocols. Its through-hole design creates a unique psychological dynamic—submissives remain aware they're worn and restrained, yet they must navigate daily life or social situations without relief or removal. This contradiction deepens their mental submission far beyond simple physical sensation.

What distinguishes this tool is how the stainless steel rings amplify every movement. A submissive feels them shift with each step, each breath—constant reinforcement of my control. During training scenes, I leverage the through-hole design to deny release even when arousal peaks, conditioning them to associate restraint with obedience.

Continuous wear protocols using the Inertia reveal remarkable psychological shifts. Extended sessions expose the boundary between comfort and endurance, where mental discipline becomes the real challenge. I've observed submissives develop profound gratitude when the plug is finally removed—a powerful reinforcement of power exchange dynamics.

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

Add this plug to your collection when you're ready to move beyond basic urethral exploration into serious, sustained play. The Inertia Flexible Cum Thru Plug delivers the freedom of continuous wear without sacrificing sensation or control—whether you're exploring alone or as part of a power exchange dynamic. Available now at BDSM Australia, it's the tool for anyone committed to mastering urethral play at an advanced level. Order yours today. Helping Australians Find the Right BDSM Gear.