[quote]swai wrote:
i bought a 4 inch diameter PVC pipe for less than 1 dollar… works great, although its probably more painful since its harder[/quote]
I have used both. Tennis balls just seem to get get “that spot” pretty easy. On the PVC pipe, I started with a few towels over it to get used to it, when I did, took 1 off, then none. Some areas still scream for towels for me, like the TFL.