Peter Adams

According to Premier Guitar, Adams uses those guitar picks, which are slightly thicker than Baizley's.

At 0:42 Adams says he's using this effect

At 4:29 in the video, the camera moves to Peter which reveals him playing his Les Paul Classic Custom Silverburst 2007.

At 0:39 you can spot this effect on Adams' set

At 0:50 Adams says he owns some Gibson Les Paul Classics

According to Shure's artist page, Baroness' guitarist, Peter Adams, uses Shure's KSM313/NE Microphone to mic his guitar.

According to Premier Guitar, Adams uses a MXR Phase 90 pedal.

According to Premier Guitar, Adams uses the Maxon AD-999 delay pedal.

According to Premier Guitar, Adams uses those strings.

He used this board on the band's spring 2010 tour

Peter Adams has been using the D'Addario Pro Winder String Winder and Cutter since 2000, as highlighted on the Daddario website's artist details page.

In the Premier Guitar's "Rig Rundown - Baroness' Peter Adams & John Baizley," Peter Adams mentions at 0:27 that he uses a green Bad Cat Hot Cat 100w head.

In the "Rig Rundown - Baroness' Peter Adams & John Baizley" video by Premier Guitar on YouTube, at 0:28, Peter Adams mentions using a green Bad Cat Hot Cat 100w head with a Matamp 4x12 cabinet.

In the "Rig Rundown - Baroness' Peter Adams & John Baizley" video by Premier Guitar on YouTube, a Boss TU-2 Chromatic Tuner is visible on Peter Adams' pedalboard at the 0:40 mark.

In the Premier Guitar "Rig Rundown" video featuring Baroness' guitarists, Peter Adams confirms his use of First Act guitars. At the 0:49 mark, a photograph of his black First Act DC6 guitar is shown.