STRAW # 5 in the Talk Tools Straw Drinking Hierarchy has bends which make the fluid suction more difficult. It teaches the natural tongue retraction.
The difficulty in drawing liquid through the straws increases as your child or client moves up the hierarchy. Straw #1 is the easiest, #8 is the most difficult. Straw is an excellent device for abdominal grading training, lip protrusion and rounding, tongue retraction.