YES, IT IS IN THE DETAILS
Some time ago, a few friends, one in her senior years, were having an afternoon outing. They arrived at their destination and as they entered the building, it was noted that there were a significant number of stairs to climb before reaching the area where they intended to go. There was however, a hand railing with a 4 to 5″ wide top, which would have been well suited to slide a hand along for balance, but because of its width, did not allow a person climbing the stairs with