Originally Posted by margaret59
hi if you put each piece of tape with the number facing the outside then they will be back to back and not work. Do you mean that the two pieces of tape should both face the same way.
I did it just the way the instructions said & I only have a small one here-gave the rest away. I can feel it through the fabric & YES the numbers (on the concave side or curved in side) both face outward. Mine works. The sides with no numbers wind up back to back.