I always viewed fretwraps as a gimmick when i first started noticing them, an excuse for poor technique?
Over the years though, I’ve come to find them useful, especially on multi-string basses, for keeping the ‘rumble’ from those low strings at bay…
I now use them when I play my 5 string basses, especially my Stingray 5, to tame the B string from rattling when slapping.
Here’s a pic of me at a recent festival in Germany, letting loose on “Too shy” by Kajagoogoo..