【5】His failure to market the machine successfully led to attempts by others to further develop the machine. Finally, in 1858, Isaac Singer designed a machine that worked by the use of a foot treadle, thereby freeing the hands to manipulate the fabric. 【6】Traditional rules of the game, which included faithfully following the dictates(指令,规定) of specific designers on such issues as dress length, are finally being broken. Although globally renowned designers are still crowding the runways with outrageous styles at prices that only a few can afford, new designers are showing fashions that reflect what is taking place on the streets, in the political arenas, in the entertainment field and in movements to protect the environment. 【7】Many people—some famous, some unknown—impact the fashion industry. For example, anyone interested in fashion knows the names of such contemporary designers as Donna Karan, Ralph Lauren and Calvin Klein, and such past legends as Chanel, Balenciaga and Dior, but who can name a well-known patternmaker, sewer or trimmer? Although the former group steals the fashion headlines, the designers alone do not create fashion.