hi all.....i am very new to embroidering and have my first job with fleece.....is there any primer on how to handle embroidering on it?.......it will be fleece sweatshirts...like the thin underarm our and champion ones....they are like a thin micro-fiber fleece.......any tips about backing or any topping i need or anything?......i really appreciate any advice....these r very expensive and i don't wanna mess up too many.