Latest Articles

Insights, guides, and stories from the world of custom chastity devices
From the workshop

The Mature Metal Journal

Sizing, materials, and straight answers about steel chastity — written by the people who make the devices.

  • All, Cock Rings, Devices, Lifestyle

Will a Chastity Cage Show Under Clothes? A Concealment Guide From the Workshop

A fitted steel cage is quieter under clothes than most men fear. What shows, what doesn't, which designs sit lowest, and why fit decides all of it.
  • All, Cock Rings, Devices, Materials & Care

What Actually Happens When You Sleep in a Chastity Cage

Yes, you can sleep in a chastity cage, and once

  • Cock Rings, Devices, Materials & Care

Cleaning a Chastity Cage: The Daily Routine That Doesn’t Need a Key

You clean a chastity cage the same way you’d clean

  • All, Cock Rings, Devices

How Long Can You Wear a Chastity Cage? Safety, Timeframe by Timeframe

With a cage that fits and a daily cleaning routine,

  • All, Cock Rings, Devices

Metal vs Plastic Chastity Cages: What a Steel Maker Will Tell You Straight

Most of the upgrade stories in our reviews start the

  • All, Cock Rings, Devices, Materials & Care

Why Surgical Stainless Steel Is the Only Metal in Our Workshop

Every cage that has left this workshop since 2009 is

  • All, Cock Rings, Devices

Metal vs Silicone Chastity Cages: An Honest Comparison From a Steel Workshop

Here’s the comparison with the spin removed. Anyone weighing metal

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Mature Metal plastic sizing ring kit: nine black rings from 1 1/8 inch to 2 1/8 inch beside the printed measuring instruction sheet.
  • Cock Rings, Sizing & Fit

Why Order the Plastic Ring Sizing Kit When You Have a Perfectly Good Tailor’s Tape and String?

8 min read
Mature Metal plastic sizing ring kit: nine black rings from 1 1/8 inch to 2 1/8 inch beside the printed measuring instruction sheet.
  • All, Devices, Sizing & Fit

The Complete Chastity Cage Sizing Guide: Measure Once, Fit Forever

13 min read
"The Weekly Hot Spot" podcast logo featuring two women and branding related to BDSM kink
  • Sizing & Fit

Chastity interview with Mature Metal

1 min read
"The Weekly Hot Spot" podcast logo featuring two women and branding related to BDSM kink
  • Locktober

How do I get my vanilla wife to put me in chastity? Meet MRS. Mature Metal.

2 min read