Bescor's SA-1 Universal Swivel Shoe Adapter can be attached to any camera's shoe mount for attaching external microphones or lights. It comes with a mini hot shoe adapter that's designed specifically for use with Sony camcorders. The SA-1 also features a 1/4" 20 thread screw and a swivel function with a locking knob.
SA-1 Universal Swivel Shoe Adapter
Mini Sony Hot Shoe Adapter