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The Master Series Forced Spread is a stainless steel anal expander that opens from 1.6 inches to 3.8 inches in diameter, one turn of a wingnut at a time. Instead of swapping between ever-larger plugs, you insert it closed and let the plug split into three parts as you widen it. It's built for experienced players working on stretching, gaping or fisting preparation, and for partners who enjoy controlling the pace.

How the three-part plug opens

The plug is made of three steel petals that sit together as one smooth, tapered shape when closed. Each petal is linked to a screw and wingnut on the outer frame. Turn a wingnut and its petal moves outward; turn all three in small, even steps and the plug opens evenly in every direction. Closed, it measures 1.6 inches across. Fully opened, the petals sit 3.8 inches apart. Six silicone O-rings wrap around the petals so the gaps between them stay covered as they separate, which keeps the stretch rounded rather than pinching at three points.

Why steel suits this kind of play

Stainless steel has no give at all, so every quarter-turn translates directly into stretch. You always know exactly how far you've gone, and you can stop at any point and hold that size. It's also heavy and smooth, which makes the tapered tip glide in easily with lube. The metal is nickel-free and non-porous. Because it's steel, any lube type is safe: silicone lube lasts longest for long sessions, while a thick water-based anal lube is easier to clean up.

Running a slow, safe anal expander session

This toy is made for people with real anal experience who want to train for larger toys or fisting. Use far more lube than you think you need. Insert it fully closed, then wait until the body has relaxed around it before touching a wingnut. Open each screw a little at a time, rotating between all three, and pause for a minute or two at every step. Communication matters if a partner is turning the screws: agree on a word that means stop, and another that means close it back down. Sharp pain is the signal to stop and reverse. Before removal, close the plug fully back to its smallest setting, then withdraw slowly.

Temperature play and the open centre ring

Steel holds temperature well. Run it under warm water for a warmer insertion, or leave it at room temperature for a cool shock. Test on your inner wrist first and never use it straight from a freezer or near-boiling water. The outer centre ring has an inner diameter of 4.2 inches, which is wide enough for most hands to pass through once the plug is open, so it can be used as part of fisting preparation.

Cleaning

Clean it soon after use while lube is still soft. Remove the O-rings and wash them separately. The steel can be boiled, wiped with a diluted isopropyl alcohol solution, or washed with warm water and mild soap and finished with a toy cleaner. Before every use, run your fingers along the petals and screws to check for burrs or rough edges.

Specifications

  • Brand: Master Series
  • Type: screw-adjusted three-part expanding plug
  • Insertable length: 3"
  • Plug diameter: 1.6" closed, up to 3.8" fully opened
  • Centre ring inner diameter: 4.2"
  • Materials: nickel-free stainless steel; 6 silicone O-rings included
  • Lube: compatible with all lube types
  • Colour: silver

See more from Master Series, stock up on anal lubes, or read our anal play tips.

Helpful Information

Frequently Asked Questions

Helpful answers about Master Series Forced Spread Stainless Steel Anal Expander.

How do you use an anal expander like the Forced Spread?

Insert the Forced Spread fully closed with plenty of lube, then wait for your body to settle. Turn each of the three wingnuts a little, rotating between them so the plug opens evenly, and pause between turns. Close it completely before you take it out.

How wide does the Master Series Forced Spread open?

The Forced Spread starts at 1.6 inches across when closed and opens to 3.8 inches at its widest. The insertable section is 3 inches long. Most people stop well short of full width; there's no need to reach the maximum in one session.

Is the Forced Spread suitable for beginners?

No. The Forced Spread is for people already comfortable with large plugs. Its 1.6-inch closed width is bigger than most starter plugs. If you're new, build up with a graduated set of butt plugs first and come back to this later.

Which anal lube works with a stainless steel expander?

Any lube works with the Forced Spread because it's stainless steel. Silicone lube stays slick longest, which helps during slow stretching. Reapply between screw turns. Our anal lubes include thick gels and long-lasting silicone formulas.

What are the silicone O-rings on the Forced Spread for?

The six silicone O-rings wrap around the Forced Spread's three petals and cover the gaps as they move apart. That keeps the stretch smooth and rounded and stops skin getting caught between the steel parts. Remove and wash them separately after each session.

Can a partner control the Forced Spread?

Yes, and many people use the Forced Spread that way. The partner turns the wingnuts while the receiver talks them through it. Agree on clear words for 'pause' and 'close it' before you start, and make every turn small.

How do I clean the Master Series Forced Spread?

Take off the O-rings, then boil the Forced Spread's steel body, wipe it with diluted isopropyl alcohol, or wash it in warm soapy water and spray it with toy cleaner. Clean around the screws carefully and dry everything so the threads stay smooth.

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