Pressure ulcers are a serious and often preventable health care problem. They tend to occur on parts of the body over bony prominences and arise when a person exibits certain medical risk factors. Mechanical factors such as pressure and tissue stress are strongly implicated and the causation of pressure ulcers; prevention and treatment of pressure ulcers demands that we take care of the mechanical as well as the medical environment. The PRAFO range are well established products that allow complete relief of pressure and shear at the vulnerable heels of persons who are in bed or ambulant. This presentation looks at the basic issues, some cases and products that have proven their effectiveness over the years.