Hello, if it is clothing, we must first determine the material of imitation rabbit hair. You'd better upload pictures so that I can give you a better solution. You can try to find it in foam cleaner, softener, general large supermarket or better laundry, and then use hair dryer and hot air to set it. When in use, the fan should not be too close. Generally, the material of imitation rabbit hair is polyester fiber, which will be burnt if the temperature is too high. What's the problem?