Yes I have but never have purchased them. I always forget too for some reason. I'm using a trick DStreet told me about. I drilled out a dowel rod and place over the fiberguard when heating head. I only heat the bottom of head. Still need to be real careful as you'll easily melt the guard right off in a blink of an eye. I under heat the head just enough to hold powder on head and not melt fibers and then dip in paint extra long to put extra paint on head. I then bake head for 20 minutes at 220 and it doesn't melt fiber and cures paint to head. Some fibers will want to fray. I simply pull all heads out one at a time and twist fibers together and throw in a cup of water.