Since 2015, this NYC-based design company has been creating giftable objects that, as they say, "ignite a sense of wonder." The Sigma Touch Tool is a timely instrument for interacting with high-touch surfaces. In order to help mitigate the inadvertent spreading of germs after pressing a button or opening a door, a simple tactile instrument can come in handy. Named for its resemblance to the Greek letter Sigma, this tool is machined from solid brass and features an eyelet for attaching to a keyring