Howerdel functioned as a guitar technician for Tool during the tour and recording of Ænima, working with Maynard James Keenan, whom he met in 1992.
Howerdel traballou coma "roadie" e técnico de Pro Tools para Tool durante a gravación e xira de Ænima, traballando con Maynard James Keenan, ao cal coñecera en 1992.