'Battery' follows on from the band's previous cover of Testament's 'In The Pit'.
The lyric video precedes the reissue of 'Draconian Times' to celebrate its 25th anniversary.
The shows mark the band's first dates in Europe since 2015, following the release of their 2013 album 'Asymmetry'.
Artists can win the chance to have their artwork displayed at the RAM Gallery onsite at 2021's event.
Find out all you need to know about the unique streaming event, which is taking place in December.
'Blush' is taken from the band's forthcoming debut album, 'Subatomic Party Cool'.
'Fool's Paradise' follows the band's previous single 'Save Yourself', check out the lyric video here.
The band's debut EP is expected in 2021, for now check out their new single here.
The EP features two Christmas cover tracks to get you into the festive spirit.
The band will be taking Knotfest to Brazil for the first time in December 2021.