When set to hair mode, particle system creates only static
particles, which may be used for hair, fur, grass and the like.
The first step is to create the hair, specifying the amount of
hair strands and their lengths. The complete path of the
particles is calculated in advance. So everything a particle
does a hair may do also. A hair is as long as the particle path
would be for a particle with a lifetime of 100 frames. Instead
of rendering every frame of the particle animation point by
point there are calculated control points with an interpolation,
the segments. The next step is to style the hair. You can change
the look of base hairs by changing the Physics Settings. A more
advanced way of changing the hair appearance is to use Children.
This adds child hairs to the original ones, and has settings for
giving them different types of shapes. You can also
interactively style hairs in Particle Mode. In this mode, the
particle settings become disabled, and you can comb, trim,
lengthen, etc. the hair curves. Hair