How does your man delay ejaculation?

On this date in 1987, Te-Chien Chin of Hercules, California received a U.S. Patent for his invention, a “prosthetic penile device which can either delay or avoid ejaculation.” The purpose of the invention is “to make up for the deficiencies on many men who cannot successfully satisfy their wives’ sexual needs.” [Source: SexPatentsTheBook.com]