I need to know what is the safest and most effective way to remove pilling from clothing. I have read that razor blades can be used, but those are dangerous as they can cut up the clothing. I have read that fabric shaver machines can be used, but I do not know how dangerous those are in terms of damaging the clothing. And I don't know if the safety of these machines varies by brand and model. What I need to know is, what is a method that I can use to remove pilling from clothing that has 0% chance to damage my clothing while using it, and is also effective at 100% removing all the pilling.