Skip to product information

Inertia Flexible Cum Thru Plug

Vendor: Master Series
Product Overview The Inertia Flexible Cum Thru Plug represents a specialized urethral training device engineered for individuals with experience in urethral play. This hybrid design combines a flexible hollow silicone...
Regular price  $240.19 NZD Sale price  $204.95 NZD
Colour: Silver
Payment methods
  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Fast Discreet Shipping

Bigger hauls, better shipping. Discreet delivery with discounted rates & free shipping on eligible orders.

Product Overview

The Inertia Flexible Cum Thru Plug represents a specialized urethral training device engineered for individuals with experience in urethral play. This hybrid design combines a flexible hollow silicone shaft with interchangeable stainless steel glans rings, enabling progressive urethral dilation while maintaining comfort during extended wear. The hollow core permits natural urination and ejaculation without removal, making this suitable for prolonged training sessions.

Material Composition & Construction

The device employs a dual-material construction approach:

Silicone Shaft: Medical-grade platinum-cured silicone provides the flexibility necessary to accommodate natural anatomical variations and movement. The hollow-core construction maintains structural integrity while allowing fluid passage. This material is non-porous, hypoallergenic, and body-safe for internal use.

Stainless Steel Components: Surgical-grade stainless steel forms the interchangeable glans rings and internal support structures. These components provide the necessary rigidity for insertion guidance while the steel's polished surface minimizes friction during placement and removal.

Functional Design Elements

Interchangeable Glans Ring System: Multiple steel rings of varying internal diameters allow users to progressively adjust the training intensity. The rings attach to the shaft terminus and rest against the urethral opening, preventing over-insertion while providing a secure anchor point.

Hollow Core Architecture: The continuous bore through the entire length accommodates natural bodily functions. The internal diameter measures 3mm, sufficient for urine and seminal fluid passage without requiring device removal.

Flexible Shaft Geometry: The silicone shaft bends to follow the natural curves of the urethra, reducing pressure points and tissue stress during wear. This flexibility is particularly important for accommodating the anatomical angle change at the urethral bulb.

Specifications

  • Total Length: 4.2 inches (10.7 cm)
  • Insertable Length: 3.75 inches (9.5 cm)
  • Shaft Diameter: 0.3 inches (7.6mm / 23 Fr)
  • Internal Bore Diameter: Approximately 3mm
  • Materials: Platinum-cured silicone shaft, surgical stainless steel rings
  • Autoclavable: Yes (materials withstand standard sterilization protocols)

Safety Considerations

Urethral sounding carries inherent risks that require careful attention to technique and hygiene:

Sterilization Requirement: This device must be sterilized before each use. Boiling for 10 minutes, autoclave sterilization, or immersion in appropriate medical-grade disinfectant are acceptable methods. Standard toy cleaner is insufficient for urethral devices.

Lubrication Protocol: Only sterile, medical-grade lubricants designed for urethral use should be employed. Standard personal lubricants may contain ingredients inappropriate for urethral tissue. Apply lubricant generously to both the device and the urethral opening.

Insertion Technique: Never force insertion. The device should slide smoothly with gentle, steady pressure. Resistance indicates incorrect angle, insufficient lubrication, or anatomical unsuitability. Forcing insertion can cause urethral tears, false passages, or stricture formation.

Wear Duration: Extended wear increases infection risk. First-time users should limit sessions to 15-30 minutes. Experienced practitioners may extend wear time, but should never exceed several hours without removal for cleaning.

Contraindications: Do not use if you have active urinary tract infections, urethral strictures, prostate conditions, bleeding disorders, or are taking blood thinners. Individuals with diabetes should exercise particular caution due to increased infection susceptibility.

Hygiene & Maintenance

Store in a dedicated, clean container separate from other devices. Inspect before each use for any material degradation, rough spots, or damage that could traumatize delicate urethral tissue. The silicone should remain smooth and uniform; any tears or texture changes indicate the device should be replaced.

After use, remove all bodily fluids immediately and sterilize before storage. The hollow core requires particular attention—flush with sterile water or saline to remove internal residue before sterilization.

Progressive Training Applications

The interchangeable ring system facilitates gradual urethral dilation for individuals working toward accommodating larger diameter devices. Begin with the smallest diameter ring and only progress to larger sizes after achieving comfortable, non-traumatic insertion over multiple sessions. Tissue adaptation requires time; rushing progression dramatically increases injury risk.

The 23 French (7.6mm) shaft diameter represents an intermediate size in urethral training, suitable for individuals who have successfully accommodated smaller sounds and wish to progress their practice.


⬥ FEATURES:

  • Urethral Play
  • Urethral Sounding
  • Cum-Through
  • Flexible Shaft
  • Ergonomic Design
  • Body-Safe Silicone
  • Stainless Steel
  • Hollow Design

⬥ MATERIAL:

⬥ CLEANING INSTRUCTIONS: Designed for urethral stimulation, providing a unique internal sensation for those interested in advanced sensory play.

⬥ PURPOSE:

⬥BARCODE: 848518005618

Fast & Discreet Delivery

All orders are shipped in plain, unbranded packaging — no logos, no product names.

Australia
  • Standard: 2–7 business days
  • Express: 1–3 business days
  • Additional delivery options available at checkout depending on your postcode
  • Free shipping available on eligible orders (conditions apply)
New Zealand
  • Standard: 10–12 business days
  • Express: 3–5 business days
  • Free shipping available on eligible orders (conditions apply)
  • Tracking provided on most orders

You may also like

Recently viewed products