Bob Weir's Modulus guitar, ca. 1988 | Bob weir, Cool guitar, Famous guitars
Bob Weir | Casio, c. 1987, PG-380 model guitar with custom Modulus neck | From the Vault: Property from the Grateful Dead and Friends | 2021 | Sotheby's
Keychain Modulus Puces Bass Red Hot Chili Peppers Guitare basse : Amazon.fr: Instruments de musique et Sono
Modulus Guitars – Wikipedia
Modulus FBV5 Flea 5 string Active Bass Guitar Upgraded Villex Pickups & Hard Case | ProTone Music Limited