Master Series Ass Vault Locking Ass Expander

Explore Intense, Lockable Anal Expansion

Take your anal play to the next level with this advanced stainless steel expander plug. The Master Series Ass Vault Locking Ass Expander features a secure locking mechanism and expanding petal design, delivering intense fullness for those who crave control and heavy sensations. With its weighted construction and temperature-responsive feel, this toy is built for experienced players seeking lasting impact.

Key Features

• 🔒 Locking Expander Design – Expandable metal petals that can be securely locked in place
• 🧲 Heavyweight Stainless Steel – Substantial 264g plug delivers a satisfying downward pull
• 🔑 Dual Key System – Separate keys to expand and lock for safety and control
• 💧 Compatible with All Lubes – Use with any type of lubricant (water, silicone, oil)
• 🌡️ Temperature Play Friendly – Warm with water or cool in the fridge for sensory play
• 🧽 Easy to Clean – Boil or use isopropyl alcohol for thorough disinfection
• 📏 Measurements: Overall length: 3.4 inches. Insertable length: 2.8 inches. Plug expands from 1.5 inches to 2.2 inches in diameter. 
• 🖐️ Plug alone weighs 9.3oz (264g)

How to Use

1. Insert while contracted – Apply plenty of lube and insert while plug is in the closed position.
2. Expand gently – Use the flat key to expand petals gradually to your comfort level.
3. Lock in place – Insert the gold pin key and turn to secure the expanded size.
4. Enjoy or surrender control – Perfect for partner play, long wear, or power exchange scenarios.

Suitable For

 • ♂️ Advanced users seeking intense, lockable anal expansion
 • ❤️ Couples exploring control, bondage, and submission dynamics
 • Kinksters who enjoy weight, pressure, and prolonged sensation

Experience Level

 • 🟠 Advanced – The expanding design, locking function, and large diameter (up to 2.2") make this toy ideal for experienced anal players only.

Explore the power of controlled expansion. Order the Ass Vault Locking Ass Expander today and unlock new levels of intensity.

FAQ

Q: Can beginners use this plug?
A: This toy is not recommended for beginners. It is designed for users already comfortable with large anal plugs and intense expansion.

Q: Is the plug heavy?
A: Yes – it weighs 9.3 oz (264g), offering a satisfying pull and presence during wear.

Q: Can I lose the keys?
A: You must keep both keys safe. Losing them while locked can result in difficult or delayed removal.

Q: How should I clean it?
A: Boil in water for 3–5 minutes or sanitize with isopropyl alcohol. Avoid dish soap or abrasives.