TOOS is a walking aid designed for seniors and their pets, combining a pet carrier with a seat for resting. It allows older adults to walk comfortably with their pets, providing support when needed. The design caters to the growing number of senior pet owners, addressing their needs for mobility, rest, and companionship. It ensures safety and comfort for both the user and their pet, reducing stress for older or disabled pets in unfamiliar environments. TOOS enhances mobility and strengthens the bond between seniors and their pets, improving overall quality of life.