You can always do a forum search with the link at the top of the page. If you don't find your answer you can always ask.
Basic felting; VERY hot water at low setting, tiny amount of detergent, and a pair of jeans for agitation. Check every 5 min or so till it's felted the way you want.
Check that other Booga thread I linked to as well. Small Boogas are a common problem.