Next you still need to clean the wool.
My wool has plenty of burrs and pieces
of the great outdoors.
You can use some fashion of 'wool comb', or whatever sturdy comb with
long steel teeth.
Some stuff will fall out as you brush.
A lot has to be handpicked.
This can be quite tedious work...
There are special wool combs to buy
($ 120), but it works with hair combs like the ones on the picture ($ 2-3). I usually use two taped together.
As regards the different burrs you encounter, I am very impressed by
(Our cat has had some very obnoxious,
painful and costly experiences with
The foxtail has 'botanical ratchets' that allows it to move by 'anisotropic friction'.