Is it the Old Shale or the Feather & Fan knit stitch? There’s an ancient discussion and confusion between these two patterns. Since I was a little girl, I thought that the Old Shale was the Feather & Fan stitch (I didn’t know that there was a stitch called the Old Shale). However, some years later, I learned that the only difference between them was the number of stitches to cast on (multiples of 17 for the Old Shale; and multiples of 14 for the Feather & Fan). And just days ago, I found out that the Old Shale is what I knew as Feather & Fan, and that the…