I had no idea anal sex had a characteristic frequency.
But if you're finding that it 'killer-hurts', I suggest using more lube or asking your partner to slow down a bit.
( Mr. Tea 'ulmmm'/'mmneurgh', Fri 26 Jul 2024, 13:55, archived)

Or using mosquitos

( mr horrible up yours, dickface, Fri 26 Jul 2024, 14:23, archived)