Tunnel Plugs Australia - Open Hollow Tunnel & Speculum Butt Plugs

Tunnel plugs are hollow anal toys designed to keep the anal canal gently open during play or display. Unlike solid plugs, these designs allow airflow, light access, or partial penetration through the centre. They’re popular among experienced users who enjoy visual exploration or long-wear comfort with a relaxed, stretched feeling.

What Tunnel Plugs Do

Tunnel plugs maintain an open channel once inserted, offering both sensation and function. The hollow centre allows users or partners to see inside or use other toys without removing the plug. Many people choose tunnel plugs for breathability, long-term comfort, or advanced stretching routines that prioritise control.

Design and Materials

Most tunnel plugs are made from flexible silicone or body-safe TPE. Their structure includes a tapered tip, smooth walls, and a wide flared base for stability. Some have firm rims for easy insertion, while others feature ribbed or textured exteriors for added sensation. Sizes vary from small starter widths to advanced models.

How to Use Safely

Apply plenty of water-based lubricant to both the outside and inside rim before insertion. Ease the plug in slowly, letting the muscles adjust to the expanding edges. Once seated, the hollow shaft should feel snug but not tight. Clean thoroughly after each session by washing inside and out with warm water and mild soap.

Practical Benefits

Tunnel plugs are useful for air circulation, easier internal cleaning, and mixed-play options. The open design can reduce suction during removal and help users gauge comfort. They also make applying creams or aftercare products simpler by allowing gentle internal access without full reinsertion.

Comparison Table

Related Categories

Anal inflators are expandable anal toys that use hand or bulb pumps to gently increase size inside the body. The inflation creates steady pressure, helping users explore gradual stretch while maintaining control. Each squeeze adds volume slowly, allowing safe, even expansion of the anal canal.

Anal stretchers are adjustable devices designed to widen the anal opening through mechanical control. They allow users to set and hold a specific diameter for measured stretching. The design helps train muscle flexibility and build tolerance safely over time using slow, even expansion.

Anal locks are anchoring systems that secure a plug or expander in place during wear. Their locking base or ring mechanism prevents unwanted movement, improving stability and control. They’re often used with heavy or expandable anal toys to maintain safe, consistent depth.

Anal toy sizes outline the full range of plug and insertable diameters available across anal products. The guide helps users match toy width and insertable length to their comfort and experience level, supporting safe selection and gradual size progression.

Tunnel plugs offer both function and fascination—keeping the canal open, improving airflow, and creating unique internal sensations. They remain one of the most versatile tools in advanced anal play, combining aesthetics with body awareness.

Start small, use steady breathing, and always prioritise comfort and cleanliness when exploring open-core anal toys.