World's Best Ever says: "The Sekuhara (translated: Sexual Harassment) Interface is a group of daikon radishes that have been hooked up to electronic sensors to emit moans and groans when groped."
It would be easy to construct a Sekuhara Interface for home use using the MaKey MaKey kit.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.