With the towel still covering the carpeted area hold down the iron and press.
How to get an area rug to lay flat on carpet.
The tape is double sided so after you have it positioned where you want you simply peel off the paper that is protecting the sticky side that will be against your carpet.
Take a wet towel and moisten the areas where the carpet is curling.
Apply the tape to the edges of rug.
Lay a damp towel over the edges and iron them flat.
I flipped the rug back over pressed it over the carpet and it seriously worked like magic.
If the ends still curl up move to the next steps.
Double sided tape could be used in place of the carpet tape.
Cut tape to fit each edge of the rug.
Then take an iron and set it to a medium heat.
Apply carpet tape around the edges of the rug.
Many times this will allow the rug to lay smooth for a while.
Turn over the rug with the right side down.
If your area rug is for a sitting area make sure the edges of the rug go under the sofa or chairs to help keep it from moving.