Fit and measuring

Fit is a sequence, not a number a product page can decide for you. Start by measuring, check what each published dimension actually describes, then keep the first fitting easy to reverse.

A three-step fit path

  1. Measure ring diameter and cage length →

    A private, input-free chastity cage size guide for taking the two measurements and spotting ambiguous retailer labels.

  2. Read size claims before comparing them →

    Learn why ring diameter, shell length and usable internal length are not interchangeable fields.

  3. Plan a reversible first fitting →

    Follow the assembly sequence, test the release first, and know where generic instructions stop.

What these pages do not promise

A measurement can help you compare like with like. It cannot certify comfort, safety, manufacturing tolerance or suitability for a particular person. When a seller does not define a field, we leave it Unknown rather than infer it from a photo or product name.