I‘m partial to Falke socks, their Trecking socks are really durable and comfy.

Microplane makes all steel zesters without a grip, too.

Motorola CP200d are an industry standard for two way radios on film productions.

Now talking downtown NYC I have no firsthand experience, but you should be able to rent these easily to test them in your specific circumstances.

Plant a tree. My parents planted a cherry tree at my birth and I was always very fond of that idea. It‘s also true buyitforlife, since the tree might just outlive us all.