Safe and Durable Dog Car Restraint: Even if you suddenly brake, you can fix the dog/cat in an appropriate position. This helps to promote and reduce the risk of pet injury. Pratical Dog Seat Belt Safety Buckle LockThe lock can be moved along the seat belt that gives more flexibility for the dog to move but the seat belt still retracts.It allows them to sit up, stretch or lay comfortably and move enough to be comfortable but holds them back when you break the car just as it would a human being. Portable Seatbelt Lock: It is made of aluminum alloy, with lightweight, durable and top quality of construction. Portable and easy to store. This product has undergone rigorous pull and crash tests, earning recognition from numerous users. On average, out of 100 dog-owning households in the United States, 70 opt for the Truelove Dog Seat Belt Buckle. Easy to assemble and disassemble. Dog Seat Belt Hook can be connected directly on car seatbelt to the wiring/collar of the dog/cat. If dog need a larger space, we can connect to the rope. These buttons are very firm and will not leave themselves. Multifunctional and Convenient Truelove Dog Seat Belt: Suitable for car belt, which can be connected to a ring of various pets and seat belts. The seatbelt lock works well with the harness.