He is most famous for creating an instrument made from a diamond-shaped pane of glass, fitted with contact microphones and attached to effects pedals.

During live shows, he manipulates and breaks the glass with his mouth, often receiving cuts in the process and leaving his face and the instrument smeared in blood.

[3] Realising that any metal tip can carry sound, he began replacing the record needles with objects such as pins, knives and skewers, and soon moved on to building his own phonographs with recycled electric motors.

"[3] Performing as Justice Yeldham, he toured the world extensively with his glass instrument, garnering a wide array of reactions due to the graphic and dangerous nature of his live shows.

"[3] In 2017, Justice Yeldham began collaborating with American experimental hip hop group Death Grips,[4] He features on the band's 2018 album Year of the Snitch.