Easy ,from the get go in normal operating mode lifting ones leg is not easy for a old dogMight you elucidate?
paperwork seems difficult.
Getting on and off every times seem dangerous.,
Thats in good times .
In not so good ,rushed times ,after the logistics of removal of clothes which case in point is always required,
during those precious moments of time ,one wrong twist and you just spray painted Mr Ed with your can.
You may need special equipment to clean up.