Dust Covers, Do They Work?

[Jamr]

Hi all.
If there is a better place for this please move it.

Does anyone know if these dust covers work?

https://www.ebay.com/itm/2755227032...5ask/Q91kvzBhiPvF8176IZAkfrZ|tkp:BFBM7PqwkMFh

 

[Tunedfrog]

In my experience, they let in a little dust but work perfectly for keeping little pebbles and rocks out of the gearing.

 

[WickedFog]

They can't hurt

 

[Cheez ‘n’ Quackers]

They work but watch the temps.

 

[Monkey Wrench]

You run your rig with one of those on? Wow! I was away from the hobby too long!

 

[tntpoof]

they work well but don't stop all watch temps as said already.