Sonus Faber owners--string grill cover alternatives


Most of us are having, or will have, problems with the silk strings that SF has used for decades for either their stands, or their grill covers. While there are some SF’s that don’t use this design, it still seems to be popular with many of their models. While the grill covers have a certain aesthetic appeal, this is off-set (at least IMHO) by the sagging and other problems that this design is subject to over time. So, i thought I would ask the community if anyone has come up with an alternative DIY fix that works on their SF’s..and if so, what that is?
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I have a pair of SF Il Cremonese acquired Jan 2018.  The silk strings began sagging on all 3 surfaces over the last 12 months.  Conversely I have a pair of Guarneri Evolutions dating from 2011 and they show no sign of sagging.  Strings are still taunt.

I was hoping that perhaps moistening them then letting them air-dry could restore them as I do with some painting on canvas when the humidity reduces their surface tension.

I have the il cremonese and never unpacked the string grills...  the black leather against the SF "red" finish is aesthetically pleasing.  Granted, no children or pets, so protection is not an issue. 

I see a conundrum here: the manufacturers lately have been making speakers for the grill to be optional. No protection is needed. They also design the drivers and appearance visually pleasing enough so that no grill is needed - to make them look good.

So what are the grills for? I feel it's just changing the looks when you are in the mood.