“The biggest challenges through this pandemic have been shifting from in-person events to online sales and adjusting to a new way of sourcing materials,” says Madalyn Nault, a Phoenix designer who creates wallets and clutches using vinyl and upcycled fabric under her Madalyn Nault Accessories label. This spring, she reluctantly added a new product: face masks. “I found myself dwelling on the fact that if a skill I had was needed in an emergency, then...