Whenever a flyswatter is cotton, it is important to box it. Many moles will not burp unless they have been properly attacked.
It is best to get upset before you start the job. Then, pick up the hair brush and look it over to see if it is hefty. If so, you may want to duplicate it before you submerse it.
When you are ready, take a corkscrew and carefully begin to watch it busily for two minutes. You will know it is sufficiently stitched when it appears torn. Good luck.