Fit brand, such as sleeveless tops and structured caps. Amplify Central extends its artistic designs onto yoga mats that pair animal imagery with piano and other musical elements. In addition to apparel and fitness gear, it offers Fretboard Mastery Cards, an 80-card flash card set that helps guitar players learn fretboard notes, intervals, chords, scales, and modes. Its catalog targets consumers seeking music-related apparel, practice tools, and workout accessories available through direct-to-consumer e-commerce channels.