Hollow Tunnel Butt Plug - Kiotos Round Steel Hollow Tunnel Plug

Solid, weighty and mirror-polished, this hollow tunnel plug is machined from stainless steel with a smooth spherical head that sits cleanly on a wide, stable base. The open tunnel running through the center is what sets it apart from a standard butt plug, turning a familiar format into something with a genuinely different feel and function.

The Details

• Stainless steel construction means the surface is non-porous, hypoallergenic and will not absorb bacteria or odors, making hygiene straightforward.
• The hollow bore (21mm internal diameter) keeps the anal ring engaged without full occlusion, a sensation that solid plugs simply cannot replicate.
• Steel holds temperature reliably: a few minutes under warm water or a short rest in cold water and the plug becomes a very different experience entirely.
• Compatible with all lubricant types, including silicone-based formulas, which is a genuine advantage over softer toy materials.

Who It's For

Anyone already comfortable with anal play who wants to explore the specific stretch and openness of a tunnel design. The 50mm outer diameter of the sphere is a meaningful size, so this suits users who have some experience with wider plugs rather than those just starting out. It also works well for temperature play enthusiasts, since steel responds faster and holds heat or cold longer than glass or aluminum.

Usage and Care

Use a generous amount of lubricant on the plug and the body before insertion; the tunnel bore means you can apply lube through the opening too, which helps. Because stainless steel is fully non-porous, cleaning is as simple as soap and warm water, or a full boil or toy-safe disinfectant spray if you prefer a deeper clean between uses.

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