fecal position =She be shitting herself!
KEK
Pu-Leeze!
That is from the early '90s or the end of the '80s! Just look at the Blaster wit a TAPE in the middle! There's at least 2 generations that haven't a clue what they were like!! It's the ever present control freak's wet-dream to use sound to control loitering youths! This on the picture would be being called boomers by idiot savant snowflake plonkers!
It wasn't successful nor practical then and it certainly isn't practical nor successful now!
Of course, you are quite welcome to provide a sauce for your claim but; I don't think you can!