How about this lean on me assistant?

‘Me and my double use grocery shopping cart’

How about this? A great aid for so many have walking problems as well as that of balance issues, spinal and leg pain.  As you enter the store, grab a cart; or when you exit your vehicle in the parking lot, secure a nearby abandoned cart and start off early with confidence to do your shopping. When you are done shopping, just empty your cart and, if possible, return it to the cart storage area.