I put these on for my Christmas shows ....with a UV or black light they look GREAT...
.....HOWEVER the sound is poor - very dull...and the coating feels gritty , and soon chips off with heavy pick attack.
To get the best out of them you will need a UV light , which adds to the cost>
Interestingly nobody at my shows had ever seen anything like it, and they were impressed...
I will probably use again, at Christmas ...but only on one guitar .....