Visual trickery could be the key to reducing food consumption, according to Studio Playfool - which designed this range of mirrored tableware to make your plate look twice as full.Half/Full was designed by Saki Maruyama and Daniel Coppen, collectively known as Studio Playfool, who are students from London's Royal College of Art. Made up of a series of mirrored tableware, the project aims to "future proof appetites" in relation to the looming prospect of future food shortages.