If your back hurts more when you walk down stairs, down a hill, or sit down in a chair, you need to do flexion exercises. — Peggy Bodine-Reese, physical therapist, Gaithersburg, Maryland
A cool tool is anything useful that is superior to comparable items. If you think this tool is inferior suggest a better one. You are welcome to insult a tool, but comments containing insults to individual people will be deleted. Corrections of fact are always welcomed, if stated politely. Recommendations of better tools are dearly wanted and may be elevated to the front page.