Size & Fit

Sizes are listed as numbers and mean very little until you know which number matters. Usually it is not the one people fixate on.

Girth beats length

Almost everyone shopping for the first time looks at length. Almost everyone who has been doing this a while looks at girth — the circumference, or the diameter at the widest point. That is what determines whether something is comfortable, and it is the number that gets people in trouble.

If a product lists insertable length, that is the part that goes in — not the total length, which includes the base and handle.

Cock rings

A ring should be snug, not tight. It should be easy to remove at any moment. If it is difficult to get off, it is too small — this is not a case where you size down for effect.

Stretchy silicone rings are forgiving and the right place to start. Rigid metal rings do not stretch, do not forgive a bad measurement, and should not be a first purchase.

Never sleep in one, and never wear one for more than 20–30 minutes.

Plugs

Three numbers matter, in this order: the widest diameter (can you take it), the neck width (will it stay comfortably), and the base (is it flared enough to be safe).

The base is not a design flourish. Anything that goes in the rear must have a flared base wider than the widest insertable part. There is no exception to this rule and the alternative is a hospital visit.

Lingerie

Adult lingerie runs small, and sizing is inconsistent between brands. Where a size chart exists, trust the measurements over the letter. “One size” tends to mean roughly US 4–12.

Starting out

Buy smaller than you think. It is genuinely common to buy something too big, use it once, and never touch it again. Nobody has ever regretted starting modest.