Hair Sim workflow

using the sim

In the rig Ui in the toolbar, you need to turn on sim for the hair. Note: you can do anything between 0-1, 1 is full sim, 0 is no sim. any hair anim will get mixed with the sim in between 0 and 1
start from frame 1 and hit alt-a to see the results.
if you are unsatisfied, you can pick from different 'sim sets' currently, there are 3 for the ponytail and 2 for the front lock/bangs.
Hit alt-a to see the sim in action; make sure you start on frame 1.
To bake the result of the Sim, and speed up playback, you have to follow a complicated procedure, described below.

baking the sim is a bit harder,

Go to the properties editor, object properties.
Press the little 'pin' to keep the selected datablock displayed
In the Datablock selector, type 'sim' to search for the SIM object.
depending on your simulation set for the ponytail or the frontlock, you will pick 1, 2, or 3.
Now go to the dynamics tab.
Go to cloth cache
press bake.
repeat for each sim object (ponytail, frontlock)