If the answer is YES, you've come to the right instructable.
First of all, I have to say that I've based this tutorial in these instructables:
I've changed a few things to improve them and the final result is a pair of professional, functional and well-built nunchucks. Continue reading and you'll find what I've modified in the next step.
Step 1: Modifications
The reason was that the eyebolts were totally sticked to the pipe, and the PVC isn't too strong, so it didn't withstanded the effort.
The solution was easy: to improve the eyebolt hanging. The new ones are built to spin and move as you can see in the video, and they have a metal ring so the friction doesn't make the PVC suffer.