He also built instruments with many strings which he referred to as "mallet guitars" because they were percussion instruments played with drumsticks and monotone electric cymbaloms with an additional third bridge on resonating positions.
Un feixe deses instrumentos eran cítaras de tres pontes que bautizou como "mallet guitars" (guitarras de mazo), porque eran instrumentos de percusión tocados con baquetas, e cimbalóns eléctricos monotón cunha terceira ponte adicional en posicións resoantes.