Dig The Grave have premiered a new video for their song “ISO.“ The group used Cameo to make the clip, which features: Mark Morton (Lamb Of God), Derrick Green (Sepultura), Chad Gray (Mudvayne HELLYEAH), Joey Belladonna (Anthrax) Beefcake The Mighty (GWAR), Brann Dailor (Mastodon), Mark Hunter (Chimaira), Elias Soriano (Nonpoint), Brian Fair (Shadows Fall) Brendan…