Didn't Mr Noisy have similar problems
If you saying do t use Teflon ones, what the hell are we supposed to use? Even genuine land rover ones are Teflon coated
It's a good question and I don't know the answer.
An investigation was launched as to why this was happening.
It was concluded that the maker of the swivel ball changed the type of metal/casting they were using and it simply wasn't up to the job.
The product was then withdrawn from the shelves immediately.