From Ashton Irwin's Japanese hair gel and Calum Hood's Calvin Klein cologne to Luke Hemmings' original SONY PSP and Michael Clifford's Magic the Gathering deck, 5 Seconds of Summer breaks down all the things they can't travel without.<br /><br />Watch 5 Seconds of Summer's 'Easier' now: https://www.youtube.com/watch?v=b1dFSWLJ9wY
