This brass slide is made with a curve and with tapered thickness. The overall balance allows for easy and fast playing, as well as great slow playing. The weight allows for great sustain when you need it, as well as helping a fast movement along the strings. On electric it can't be beaten, you can apply all slide techniques, with damping behind the strings. On acoustic it helps to bring out a rich and sustained tone that is similar to a resonator guitar, a huge ringing sound can be achieved.