OverviewNamed after the Preservation Hall trombonist, Louis Nelson, this unisex, stainless steel frame will transport you to an afternoon soaking in the lively sounds of New Orleans jazz. Need a Second Chance? Make sure to register your Krewe Eyewear with Krewe. Accidents happen. If you ever break or damage your frames, Krewe will make sure you receive a tuned-up pair in no time.