Dinosaur Jr. frontman J. Mascis doesn’t have any tattoos and he’s definitely never given one. One of those things changed at this year’s Riot Fest as Mascis sat down with Ink Master’s Oliver Peck, who periodically lets his favorite bands tattoo his body. Given Peck’s affinity for Dinosaur Jr., he let Mascis fill one of the few remaining spaces on his arm, and we were there to document the experience.