Swans   2s in black tutus part strobed water.     Black dog, grey muzzle pads rough ground plough-ridged stony, sharp drops head round and down in seamless glide so the back of his neck brushes the ground and inverts the spine to lie, legs high balls in an instant with caterpillar squirm and sidewise scrunch flicks to stretch the inner side and make it outer rises, shakes and paces on spindly legs in the urgent glide of a postulant not yet rebuked for haste until the urge demands he writhe again black dog, pink tongue tracks scent trails in…