Portals is the first solo extended play (EP) by Metallica guitarist Kirk Hammett, released on April 23, 2022, through Blackened Recordings. The EP was released digitally as well as on CD and an exclusive ocean blue vinyl pressing for Record Store Day. A single for the EP's third track "High Plains Drifter" was released on April 15, 2022, with an animated music video following April 22.