



Prison Bars – Metal Nipple Clamps
Master the thrills of contrast play and deep internal pressure with the Thermal Master – Hidden Chamber Metal Butt Plug
- Hollow Thermal-Control Core: Fill the inner chamber with warm or icy water to rapidly transmit hot or cold sensations throughout play.
- 304 Medical-Grade Stainless Steel: Non-porous, hypoallergenic metal body featuring a mirror-smooth finish for seamless insertion and effortless glide.
- Ergonomic Contour & Narrow Neck: Smooth conical tip expands to a satisfying bulbous shaft, resting comfortably against the sphincter.
- Modular Assembly & Secure Base: Features a wide flared base for maximum safety and stability, securing tightly with a gentle twist assembly.
- IPX7 Waterproof & Hygienic: Non-porous metal body allows complete immersion, quick cleanup, and total peace of mind.

Description
Description
Elevate your sensory exploration with the Thermal Master – Hidden Chamber Metal Butt Plug. Meticulously designed for individuals and couples seeking temperature play, this modular metal plug pairs sleek aesthetics with dynamic thermal control.
By simply filling the inner hollow chamber with warm or chilled water before use, high-grade 304 stainless steel rapidly absorbs and holds the temperature. As the mirror-polished surface contacts your skin, it delivers a sharp, pleasant rush of heat or a crisp cooling sensation, heightening every moment of stimulation.
Crafted from 100% hypoallergenic, non-porous stainless steel, the body is completely safe for use with all lubricant types—including silicone, water-based, and oil-based formulas. The ergonomic silhouette ensures stable retention and effortless hygiene after every session.
Thermal Master – Hidden Chamber Metal Butt Plug / Hollow Thermal-Control Plug
Product Specifications
Product Name:Brand / Provider:Product Category:Material Composition:Key Features:Lubricant Compatibility:Waterproof Rating:Care Instructions:
| Thermal Master – Hidden Chamber Metal Butt Plug / Hollow Thermal-Control Plug |
| ANESIDORA / Lusttoyz |
| Metal Butt Plugs / Butt Plugs / Temperature Play Toys / Anal Accessories |
| 100% 304 Medical-Grade Stainless Steel (Phthalate-Free, Hypoallergenic & Non-Porous) |
| Fillable Hollow Chamber, Mirror-Polished Finish, Modular Assembly, Flared Base |
| Compatible with ALL Lubricants (Water-Based, Silicone-Based, and Oil-Based) |
| IPX7 Waterproof |
| Unscrew the base to empty water; wash thoroughly with warm water and mild antibacterial soap or specialized toy cleaner, wipe clean with a soft cloth, and store in a cool, dry place |
Looking to explore more metal options or expand your collection with versatile sizes? Browse our complete selection of butt plugs today!
Frequently Asked Questions
How do I use the hidden chamber for temperature play?
Unscrew the base to access the hollow inner chamber. Fill it with warm (not boiling) or ice-chilled water, then screw the base firmly back into place before use to experience instant heat or cooling sensations.
Which types of lubricant are safe to use with this metal plug?
Because it is made from 100% medical-grade 304 stainless steel, this plug is compatible with all lubricant types, including silicone, water-based, and hybrid formulas.
How do I clean and store the Thermal Master plug?
Disassemble the plug and rinse the internal chamber and surface with warm water and antibacterial soap or toy cleaner. Dry completely with a soft cloth before storing.










