Standard method of measuring the length of the JJ is?

When you complete erection, the penis with a ruler is relying on the surface of the abdomen, pubic bone to withstand (the abdomen under the hair at the root of the penis), read the top of the glans penis scale data, which is the length of your penis; girth necessary to use a soft penis size is probably around the middle of a week, the data is read out the roughness of what you say! !
ah me dizzy with a vernier caliper

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