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- Posting sinceAug 2026
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I’m offering my custom Mature Metal JailBird, which features a Steelworxx integrated lock. I recently commissioned another bespoke device, so this one is no longer needed. Here are the specs: Oval Ring (the part that sits behind the testicles): 1 15/16” or roughly 49mm at its widest point/left-to-right First cage cockring: 1 3/8” or 35mm Second cage cockring: 1 3/8” or 35mm Third cage cockring: 1 3/8” or 35mm Fourth cage cockring (near the tip): 1 3/8” or 35mm Cage length: 2 1/2” or 63.5mm, curving downward. Total length is about 3” or 76.5mm when you include the Oval ring. Gap between cage and oval ring: 1/4 or 6.5mm” The integrated lock was installed/welded by Steelworxx in Germany. Two keys come with it. There are two guide pins at the top of both the cage and oval ring. Purchased around August 2011. Arrived late October 2011, and yes, that wait felt endless icon_e_wink.gif The process was: I had Mature Metal send me the rings first. Then I shipped those to Steelworxx in Germany (I live in central US). They welded on the integrated lock and added guide pins. Those went back to me from Germany, then over to Mature Metal for the cage attachment. Finally, the whole device came back to my door. It’s very comfortable to wear.
I ordered this with measurements nearly identical to the CB-6000s if worn with the #1 ring (the largest one included) and the shortest spacer. It runs about half an inch longer than a standard CB-6000. The JailBird will be boiled and sanitized using antibacterial hand soap before shipping. Ships next day once payment clears. S&H is covered, no extra cost. I’ll email you the tracking number on dispatch day. A signature is required upon delivery. Asking $400, open to best offers. PayPal only. Send me a message or reply here if interested or have questions—thanks! More pictures: