Skillbuilders Positioning WedgeSkillbuilders Positioning Wedge Skillbuilders wedges are made of molded foam coated with a tough integral washable coating. Heavy duty positioning and vestibular wedges are ideal for institutional use in physical therapy departments, home use, special education programs, pre school programs, physical education classes and the gym. They can be used under the back, arm, or leg of a patient for comfortable and functional positioning. They can be used to