Related Information for Grip Inc. Grip Inc. was a groove/thrash metal band, and a side project of drummer Dave Lombardo (Slayer, Fantômas), German producer Waldemar Sorychta and British singer Gus Chambers. The band was formed in 1993 under the name Grip as a five-piece band featuring former Overkill bass player Bobby Gustafson on second guitar. After Gustafson and bass player Chaz Grimaldi left the band, Grip Inc hired Jason Viebrooks (Heathen) and recorded their first album, The Power Of Inner Strength. The release o.. read more