Clearly the shutter speed was too slow when I took photos of these horses being ridden along the beach this morning. I rather like the blurry leg (and even blurry rider) effect though.

Two dark brown horses, with riders, on the beach. The horses legs are blurry.
Two dark brown horses, with riders, on the beach. The horses legs are blurry.
Two dark brown horses, with riders, on the beach. The horses legs are blurry.