Bests & Worsts Reviews from Amazon

I have purchased 6 of these for the following ages and heights and ailments (everyone is pictured but me): 1. 72 y.o. 6' with so-so knees and hips 2. 68 y.o. 5' with very bad back (L4/L5 gets shots quarterly) 3. 44 y.o. 5' 4" 4. 40 y.o. 5'2" chronic pain in my right shoulder and hands, I wear a sling when riding 5. 8 y.o. shortie 6. 5 y.o. " " We all ride every other day and normally I do YAY and NAY columns but if the above doesn't tell you how much I am behind these things then nothing will. However, the one very annoying NAY I have is all the stopping I have to do to tell people where to get these things (and for FREE)!