blooper 7 1/2 - Fabric width changed when I changed yarn - oh no!

Have you wove a yard or so and then decided to change the yarn and use a different size. Or perhaps you were weave a twill and then wove a tabby. What may happen is the width of the fabric changed and now the tension is off and the selvages are collapsing. What can you do without cutting the fabric and tying on again. Here is what I did.