The hemipenes are in the tail and they are hollow, sort of like a sock inside the tail. There are two of them , one on each side
The process of "everting" snakes involves rolling the thumb from the tip of the tail toward the vent.
The rolling force causes the hemipenes to be displaced and forced out of the tail.
Before doing this the tail must be straight and arched somewhat to open the vent slightly to allow the hemipenes to "pop". This is done by using your thumb or forefinger of the none rolling hand(the left if you're right handed) directly under the vent to force it open somewhat.
It takes years of practice be become good at eversion, and like Mikey says.. It's best taught by someone with experience.
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Uncle Roy
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Herpetology - more than a hobby
It's a Lifestyle
celebrating 26 years of herp breeding
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