They're not supposed to be.
Apparently one hanging lower than the other is an evolutionary adaptation.
( Mr. Tea 'ulmmm'/'mmneurgh', Thu 26 Feb 2026, 8:42, archived)

PERFECTLY SYMMETRICAL

( Cheers Cheers, Thu 26 Feb 2026, 8:52, archived)

^unevolved

(piss and shit, Thu 26 Feb 2026, 8:53, archived)

Spontaneous symmetry-breaking in the testicular sector has been proposed as a mechanism for how balls acquire mass.
As if everyone didn't already know it's because they're used to store pee at high pressure.
( Mr. Tea 'ulmmm'/'mmneurgh', Thu 26 Feb 2026, 9:01, archived)