It is generally accepted that the first public performance of a sawing illusion was achieved by British magician P. T. Selbit on 17 January 1921 at the Finsbury Park Empire theatre in London. In fact Selbit had previously performed the illusion in December 1920 before a select audience of promoters and theatrical agents at the St. George's Hall, London, to try to persuade one of them to book his new act for public shows. His trick, which he billed as "Sawing Through A Woman", was significantly different from what a modern audience would expect. Selbit's assistant was locked inside a closed wooden crate and could not be seen. The impression that she could not evade the saw was created by the confined space in the box and by ropes tied to her hands, feet, and neck, which were held throughout the illusion by spectators from the audience.