Originally Posted by
auntpiggylpn
I use a lightweight tricot interfacing. I have a large amount of this left over from garment sewing days. I just cut it into strips and fuse the 2 pieces of batting together. It is really cheap at Joann's - probably around $3 or $4 yard. So much cheaper than the batting tape! Or you can just zig zig the pieces together.
Aunt Piggylpn beat me to the punch. I've bought and used the tape and have had excellent results, but discovered this interfacing and it's much cheaper than the tape.