Such tools are easy to find:
1, a hair dryer. This is the most important tool and the most essential tool in the whole set of methods. However, it should be noted that the hair dryer we use is for heating, so we must be able to blow relatively hot winds. Ordinary hair dryers may not work. The better.
2, a blade. Ordinary utility knife can be, pay attention to not use the knife. It may also be necessary to use a razor blade on special occasions.
3, careful one. It is very simple to do such a living, but the most important thing is that you must be careful in order to succeed.