10. Use the machine properly. Gallert says using the roller for it's designed purpose can reduce breakdowns and general wear and tear - in addition to giving you better performance. "People tend to overwork these smaller machines all the time, figuring that they can get the same performance from a smaller roller as a larger one. But overworking a smaller roller will lead to premature failure," Gallert says. She says most unit's specs define best uses or frequency of use recommendations for equipment.