In an era of workmanlike thrash vocalists like Megadeth’s Dave Mustaine and emergent death-metal growlers like Possessed’s Jeff Becerra, Lowe’s rich, piercing voice was a beacon. It caught ...

This is where things get pretty darn cool. The growler is switched on and a thin piece of ferrous metal – usually an old hacksaw blade, is run along the core of the armature. If a short exists ...