Duster & Trench coat Basic or yoked sholders Duster & Trench coat PDF pattern SD size It is very important to follow the directions in order. To make things like cuffs, sleeves, and such easier to sew the order things are done is different from that of full sized clothes. .. Pattern The duster and trench coat are similar to the PJ top. The difference is that the duster and trench coat are larger, and longer and the duster has 3 more pieces. If you have used the PJ top pattern you should be able to use this one Duster