Last night guild member Janelle Martin introduced us to the world of intentional pooling. This is a technique that uses the characteristic of some yarns to have the colours line up (or almost line up) when knitting them. Many of us have had a project (I know I have had several) that after knitting for several inches you get blobs of a colour instead of the colour being spread out. Intentional pooling uses that characteristic, and can give stunning results.
Other great examples are from