The Bartlett Mule

I am not the first to notice that woolen likes to be spun slowly.

Note there are many modern industrial techniques using fluids or belts for spinning fluffy yarns.  Some of these produce very fluffy yarns, very fast.  However, when spinning woolen with a flyer or driven spindle, it is better not to go too fast.

And, these days, Clems and Clems makes the best tools for woolen woolen fiber preparation.  I make my own combs, but I used Clems and Clems carding tools for wool and cotton.