Rock beds are now popular among camping enthusiasts and road travelers. Their advantage is that they can maximize the use of space in the car and easily transform seats into beds to meet users' sleeping and resting needs. It provides a good space-saving solution, so is the appearance of rock beds co...
The term "jump seat" originated in the United States around 1860, when carriage manufacturers invented movable carriage seats. Later, "jump seat" came to represent an additional seat for accommodating extra passengers. The seat is small and supports folding. It is usually used in trucks and o...