Getting the right fit is essential to making chastity a comfortable and sustainable experience. The tips here are general purpose and not a guarantee, but we do our best to set you up for success.

Shaft

Measurements should always be taken fully flaccid, and it may be helpful to take a few measurements at different times to average out. Avoid extreme temperatures or other circumstances that may skew your average (including excitement about locking up).

We recommend using either a cloth measuring tape, or a string which you can then measure with a ruler. While flaccid, run your measuring tape along the top side of the penis from base to tip.

If you’re deciding between two sizes, generally choosing the smaller size is more comfortable, allowing you to maintain a secure fit and urinate with less splatter.

Base Ring

Typically your ring size is the hardest to accurately determine ahead of time. To make getting started easier, all of our cage kits come with 4 ring sizes.

However, if you’d still like to measure for your ring size, wrap your measuring tape behind and around your penis and balls (flush against your body). Pull the measuring tape tighter until it feels as snug and secure as is comfortable (and not cutting off circulation).

Take this measurement, and divide it by 3.14 — this will give you the approximate diameter for your ring, though you may need to size up or down depending on your particular anatomy.

Do I need a strap?

Everyone’s anatomy is different, and some find that a strap is helpful in securing their cage.

You may want to consider a strap if:

• You have particularly small balls
• You have a thin shaft that struggles to grip cages
• You have an existing cage and you find that it’s slipping but a smaller ring size is uncomfortable

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