User blog comment:ElectricEnder222/Episode 5: Extracurricular (2nd Blog)/@comment-24267097-20140829013404

Cinder has dust in her other garments as well as se is likely sewing dust into her uniform for suprising others later. Pyrrha's combat smartness is probably due to needing to hide her sembalence by only using it slightly requires her to understand what her opponents are capable of. Mercury was doing crazy things and throwing of Pyrrha so she used her power not discerning why Mercury was doing his actions which caused her to misread his moves and allow him to identify her sembalence.