They are designed in 3 ply for optimal hold in four variations of stiffness for increased speed and control at all levels and age groups. Novice (S): The softest feeling string in the line for the ultimate beginner. Junior (MS): designed for young, beginning goat tyers. The body of the string is slightly softer than the Original, making it easier to handle with smaller hands that are new to tying goats. Original (M): Precise blend between firmness for snappy ties and suppleness for controllability. An ideal string for goat tiers that are looking to add speed to their ties.