Justin is so well known for his super-tidy, neatly labeled stages and work areas that a verb has been coined in his honour - "to greal" a stage. See the essential contents of his gig bag and seriously consider following suit!

Tag
Health & Safety
hard hat
hi vis
sharpie
steel toecaps
flashlight
torch
dirty rigger
headphones
Sennheiser HD25
tape
marking up a stage
spiking a stage
tools
multitool
swiss army knife
carrying tools on airplanes
usb stick
testing CDJ
shure headphones
sony headphones
justin grealy
stage craft
Soulsound Tutor