Four colours: Marled singles one with A & B and singles two with C & D.
Four colours Marled and drafted together at once - a bit like patting your head and hopping on one foot!
Four colours lighting carded together before spinning resulting in a Heathered yarn.
Three colours Marled. Singles one using colours A & B and singles two using colours A & C.
Three colours Marled or drafted together whilst spinning.
Three colours lightly carded together before spinning to create a Heathered yarn.
Your typical barber pole or orthogeneous yarn - two different coloured singles plied together
Two coloured Marled yarn. Holding and drafting to different colours as you are spinning at a time.
Two colours lightly carded together on a pair of hand carders before being spun together.