There are many reasons why someone might want to reuse yarn they have already knit into something (or even a sweater from the thrift store that has good yarn). It may not fit right (gee, it fit when I started it), the design was ugly or boring, he's ...

Hand dyed yarns have no dye lot and rarely match identically from one skein to the other. How do you make a project that requires more than one skein to not have noticeable color stripes or to match a pair ...