Abstract: A harness for positioning and securing an infant to a reflux wedge. The harness includes a crotch support having a front flap and a rear flap connected to each other by a transverse section. Two straps extend upward from the rear flap. An infant is placed in the harness and secured to the reflux wedge. The infant's position (up or down) on the surface of the reflux wedge is fully adjustable. The straps are affixed to a horizontal slit found in the main body of the reflux wedge by hook and pile material. The straps are attached to each other by a material section. The harness prevents the infant from slipping down the slope of the wedge. The unique design of the wedge and harness allows for either prone or supine positioning of the infant. Infant shoulder protraction is facilitated in either the prone or supine position when the infant rests within the harness attached to the wedge.