Covert hypnosis is purportedly a method of working with language designs to hypnotise or persuade other people. Generally known as "sleight of mouth" by Robert Dilts.[24] building from the phrase "sleight of hand", which refers into a magician's capabilities in producing things materialize which surface difficult. VK/D stands for 'Visual/Kinesthetic https://www.youtube.com/watch?v=5LF34uf-LC4