Bone cumduction bruh
Occams razor of Parametric sound
....And directional high-fidelity commercial audio systems (Sound from ultrasound)[28] Parametric receiving arrays can also be formed for directional reception.[29] In 2005, Elwood Norris won the $500,000 MIT-Lemelson Prize for his application of the parametric array to commercial high-fidelity loudspeakers.
Lots of post about the earrings... Hers and actual ones in a box. https://x.com/jcpstudio/status/1833717622929510556?s=42