That doesn't protect from accidentally bending or damaging the heating elements, which can lead to shorts or malfunctions, which is much easier to do digging ar

That doesn't protect from accidentally bending or damaging the heating elements, which can lead to shorts or malfunctions, which is much easier to do digging around with a pointy piece of metal than a blunt stick. Always frustrating when you realize why it has a hot spot, and that knowing your tools better should have led you to anticipate that failure.