Safety razor become locked into buying their proprietary cartridges, for as long as the manufacturer continues to make them. Subsequent to introducing the higher-priced Mach3 in 1998, Gillette's blade sales realized a 50% increase, and profits increased in an otherwise mature market. The marketing of increasing numbers of blades in a cartridge has been parodied since the 1970s. The debut episode of "Saturday Night Live" in 1975 included a parody advertisement for the Triple Trac Razor, shortly after the first two-blade cartridge for men's razors was advertised. "Mad" magazine announced the "Trac 76", arranged as a chain of cartridges with a handle
Ockham's Razor Theatre Company of Circus Arts and Physical Performance in Bristol when they met. They had previously all been studying unrelated theatre subjects at separate universities: Harvey studied Fine Art at De Montfort University in Leicester, Mooney studied English Literature with Spanish at the University of Sussex as well as La Universidad de Santiago, Chile, and Koch studied Cultural Science and Aesthetic Communication at Universität Hildesheim, originally training as a dancer. Each found a passion for circus and physical theatre during their studies and went on together to found Ockham’s Razor Theatre Company. Ockham's Razor Theatre Company Ockham’s Razor Theatre Company is a