ɐmˌʌŋ hɪz nˈæʃənəl ˈɪnstɹəmənts wɜːɹ ɐ bˈæɹɪtˌoʊn vˈɜːʒən ʌvðə tɹˈaɪkoʊn ɡɪtˈɑːɹ, wˌɪtʃ wʌz dɪzˈaɪnd ɪn kəndʒˈʌŋkʃən wɪð hˌɪm ɪnðə mˈɪd tə lˈeɪt nˈaɪntiːnhˈʌndɹɪd nˈaɪnti z.
Among his National instruments were a baritone version of the tricone guitar, which was designed in conjunction with him in the mid- to late 1990s.