Quote Originally Posted by Adam_Wysocki
The only way to guarantee the sex of your ball python is by either popping or probing ... other methods are way too prone to "false positives", especially in the hands of inexperienced keepers.

-adam
I agree with Adam here.A freind told me you can hold some baby corn snakes up to a light and see the hemipenis. I must be blind or something because even with the snows(who are transperent lol) i do not see a thing,so i just pop them .