In the end, does it really matter..

[JMI]

..which one you use?

 

[ukbackorder]

depends

 

[cloud]

Always best to use the one that fits. Otherwise it could have unintended and long impacting consequences.

 

[dee]

The cheaper ones will melt with the friction. Better off paying a bit extra for higher quality. They also tend to be a bit quieter.

 

[Kaleido]

I use all of them at the same time.

 

[diablo]

Is this about public toilets?