Quad canes. These have 4 feet at the end of the cane, furnishing a wider base and higher stability. White canes. They're intended especially for assisting people who are visually impaired. White canes are longer and thinner than standard canes and allow the user to detect objects within their route. https://thca-what-does-it-do88888.bloggadores.com/34054941/breed-specific-care-for-dummies