This convenient and clever adjustable acoustic mounting ring made by “The Tone God” can be used to adapt A Little Thunder for your acoustic guitar. The results have been truly phenomenal. Made of high quality acrylic, we have this ring in our inventory and will include it in your package. Best results are achieved with steel strings, nickel strings or 80/20 phosphor bronze strings. Shipping remains free, worldwide. Specify clear acrylic and matte black finish upon checkout.