Keeping a penis of choice completely inaccessible for more serious cock confinement, the lockable steel Metal Work Cock Cage is a fantastic pleasure tool from Pipedream's Metal Worx collection.

A better choice for more advanced users, the Cage is extra firm. It's designed to be worn around both the base of the penis and under the testicles, with the cage portion covering the head. A thick, shiny steel band at the ring closes securely with a hinge while securing the Cage to the ring, and locks with a key. Some helpful reviews have noted that the Metal Worx Cage can be used with a leash - it can be attached to the lock's handle.

If you're a fan of temperature play, this is the toy for you; steel is susceptible to temperature, and aside from naturally warming with body heat and retaining that heat for long periods, you'll also be able to cool it dramatically, pop it in the fridge or freezer before using, or place in warm or cool water. The nonporous surface cleans easily  - soap and water or a good toy cleaner works just fine, but you can run your Cage through the dishwasher, wipe it down with a bleach solution, or place it in boiling water.

Very little maintenance is required with a steel toy; care should be taken not to scratch it with abrasive surfaces or cleaners, but that's all you'll need to worry about. In terms of lubricants, anything goes with steel. You'll be able to use your favorite oil, water, or silicone-based formulas, and as a bonus, you'll find that a bit of lube goes a very long way. Your Cock Cage will come to you in a sturdy, travel-friendly foam-lined storage case, which helps protect your toy and keeps it clean.

*Fits most penises; the inner circumference of the ring portion is about 5.5"/14cm.