Stabilicers lite are popular in town in Vermont. They're easier to put on and take off than Kahtoola microspikes. They're less durable but cheaper. The question for you would be, are you able to take them off when you enter a store without hurting your back?
Use trekking poles with carbide tips when it's really icy and put tip protectors on them when you enter a store. Or, carry two trekking poles one without tip protector and one with; just use the tip protected one in stores.
If you need the cane type handle, Komperdell makes trekking poles with them:
If you can't manage taking the stabilicers off entering a store, perhaps heavy hiking boots with heavy lugged Vibram soles would be best, but they won't match the metal spikes on ice.