A startup backed by Honda Motor Co. has launched a shoe-mounted vibration device to help visually impaired people navigate their surroundings. Paired with a smartphone app, the device developed by Ashirase wraps around the foot and sends prompts by vibration. It contains a motion sensor to detect the user’s position and signal a turn at the appropriate time. The app, which also provides audio navigation, selects the most accessible route for people with impaired vision, allows destinations to be set with various search options such as “the nearest restroom” and issues audio alerts for potentia…