The IndependentFitness: Piloxing; smug cyclists; Eastpak Ekspres; the 15-minute ruleThe IndependentJoin the club: Piloxing. 'You're guaranteed to burn up to 900 calories each class," one of London's first Piloxing instructors, Teresa Malins, claims. In this one-hour session, you can burn more calories than in the last meal you ate. Unsurprisingly ...