Originally Posted by quiltingcandy

It depends:
1.) which spray I use. It seems some sprays hold more than others. But if I am using the Sullivan's spray - I do not pin.
2.) when am I going to start sewing. If I spray and sew on the same day, then I do not pin. If I am spraying but not able to sew it for a few days or more - then I pin. And I do not pin close maybe, 10 inches apart.

There is a spray out there that will release its properties in a few hours. I use that for my machine embroidery but accidentally used it for quilting once, and was very disappointed that I wasted the spray and that I had done the work and it was all for not.