When Richard Thompson plugs in his Stratocaster, fireworks regularly ensue. But his playing is equally brilliant when he picks up a Martin, Ferrington, or Lowden and goes unplugged.
The most common materials for bottleneck slides are steel, brass, glass, and ceramic. I have also seen slides fashioned from copper tubing and plastic cylinders. Now comes the MagSlide, made of magnesium, the eighth most abundant element, as well as the lightest structural metal on earth.
The Iris’ terrific-feeling neck, with a perfect rounded-C profile that’s .880 at the first fret, split the difference between skinny modern and vintage hefty.