What is it? – Interfacing is used in many sewing and craft projects to provide extra support, body, reinforcement or shape.  Basically it enhances our creative potential by allowing us to do things beyond the capability of the fabric alone.  A fusible interfacing is a specific type of interfacing that has a heat activated adhesive applied to it.  This “fusible” type interfacing allows us to simply iron it into place.  Clover and Nancy Zieman have taken this convenience a step further in the development of four really cool fusible…