Definition: Fuse refers to using a fusible material, which melts to "glue" two layers together. This melting action is done with an iron.
In order for the fusing to work, the fabrics must be pre-washed or preshrunk to remove manufacturers finishes. These finishes will prevent a good fuse from occurring.
Fusible web is available in a variety of weights and sizes. It can be purchased in most notions sections, pre-packaged, by the yard and in tape form.
Also Known As: fusible web, Heat N Bond, Stitch Witchery
Examples:
If I fuse the appliqué in place it stays in place while I satin stitch the edges.

