i learned to use dryer sheets for applique over 20 yrs ago from a quilt teacher where i used to live. sew the applique ..like an assembled sun bonnet sue, stitch right side of applique face down onto dryer sheet. make small slit in dryer sheet, turn right side out and machine applique to block. raw edges are turned inside and no fraying ..use whatever stitch you like. i have used it for several quilts, both quilting cotton and faux fur & minkie over the years. i have planned to use them for strip piecing ..now, after seeing your wonderful quilts ..i just need to quit procrastinating!
hint: i wash mine to rid of residual oils and scent, then press w synthetic setting on iron. also ..for our euro members, a friend in holland sent me a box of nappy liners and told me that that's what she uses. i love them! no odor and can be used right out of the box.