How to Stop Carpet/Rug on Carpet from slipping

It took me 3 different tries/patterns to get the results I wanted. It works fantastic. I was worried about tape being to strong if I ever wanted to pull the carpet off the carpet. But to my surprise, I had to pull the carpet up several times during this experiment and each time the carpet came up with no issues. The double sided carpet tape is a medium minus adhesive in my opinion. Anyway, this works great and more so, it made the Wife happy.