Start with the inspection points
Before you clean or store anything, look at three places: the seam, the hinge and the pin. A chastity belt is a multi-part device, and modern versions are designed for male as well as female wearers (Wikipedia: Chastity belt). A cock ring is a sex toy worn around the penis, usually at the base (Wikipedia: Cock ring). Its contact surface and any joining hardware are the parts that take the most handling. Run a fingertip along the seam where the body of the device meets its edge, work the hinge through its full range, and check the pin for looseness or a rough tip. These are the inspection points that tell you whether the device is still safe to wear before you put it away.
The condition that changes this answer is material and construction. A one-piece ring has no hinge or pin to check, so the seam and the contact surface become the whole inspection. A belted device with a hinge and pin gives you more points to watch, and those are exactly the points that wear first. If you cannot identify a seam, hinge or pin on your device, inspect the full outer surface instead and note any change in feel or finish.
The cleaning routine: interval and products
Clean the device after each wearing session and do a deeper clean weekly. Use a mild soap and warm water, rinse thoroughly, and dry completely before it goes back on or into storage. The reason the interval matters is that a cock ring sits against skin at the base of the penis (Wikipedia: Cock ring), and a chastity belt is worn against the body. Residue and moisture collect at the same contact points you inspected. A quick wash after each session removes that residue before it sets. The weekly clean reaches the seam, hinge and pin that a quick rinse can miss.
The product choice is simple: mild soap and water, nothing abrasive. Abrasive cleaners and harsh chemicals can dull or damage the finish, and a damaged finish is the first sign of wear you will be watching for later. Rinse until the water runs clear, then dry every crevice, especially around the hinge and pin, because trapped moisture is what you are trying to avoid between wearings.
Storage rules: dry, cool and unloaded
Store the device dry, cool and unloaded. Dry means fully air-dried before it goes into its pouch or box. Cool means away from direct sun and heat. Unloaded means the hinge is relaxed and the pin is out or loose so no part is under tension while it sits. A cock ring stores flat and unloaded in the same way, with nothing stretching it between uses (Wikipedia: Cock ring).
The condition that changes this answer is how long the device will sit. For a device you wear daily, the dry-and-unloaded routine happens every time you take it off. For one you store for weeks, the same rules apply but the pre-storage dry matters more, because moisture left in a hinge or pin has weeks to work. Keep the storage spot cool and out of sunlight so the finish is not degraded while the device waits.
Wear signs: plating lift and cracks
Watch for plating lift and cracks. Plating lift shows as a flaking, bubbling or dull patch where the finish has separated from the base material. Cracks show as fine lines, usually starting at the seam, hinge or pin where the device flexes. These are the two wear signs that matter most because they change the surface the device presents to skin. Check them at the same inspection points every time: seam, hinge and pin.
The condition that changes this answer is where the wear appears. A dull patch on a flat outer surface is a cosmetic warning you can monitor. A crack at the hinge or a lifted edge at the pin is a structural warning, because those are the load-bearing points of a belted device. Treat any change at the hinge or pin as more urgent than the same change on a flat panel.
Replacement signals: when repair is impossible
Replace the device when the wear has reached a point repair cannot fix: a crack that runs through the hinge or pin, plating that has lifted across a contact surface, or a pin that no longer holds securely. At that point the part is no longer doing its job, and no cleaning or storage routine will restore it. The replacement signal is structural, not cosmetic.
The condition that changes this answer is whether the worn part is replaceable on its own. If the damage is confined to a ring or a pin, you may be able to swap that part rather than replace the whole device. If the crack runs through the body of a belted device or across a molded ring, the whole piece is the unit to replace. Decide by asking whether the damaged part comes off; if it does not, the device is the replacement unit.
Spare parts: rings and pins are replaceable
Rings and pins are the replaceable parts. A cock ring is a ring worn at the base of the penis (Wikipedia: Cock ring), and on a belted device the pin is the fastening element at the hinge. Keeping a spare ring and a spare pin on hand means a worn or lost part does not take the whole device out of service.
The condition that changes this answer is fit and compatibility. A replacement ring must match the size and material of the original, and a replacement pin must match the hinge it seats in. A pin that is too loose or too tight is a new wear problem, not a fix. When you order spares, match them to the device you own rather than to a generic size, and check the new part at the seam, hinge and pin before the first wearing.
Where the evidence stops
This guidance covers inspection, cleaning, storage, wear signs, replacement signals and spare parts at the level the sources support. It does not cover fit, sizing or medical use, and it makes no performance claim about any device before you have worn it. If your device shows a crack through the body or a pin that will not hold, stop wearing it and replace the affected part or the device.