| 摘要 |
An embodiment of the present invention provides a backpack for wearing on a back of a user. The backpack includes at least one cargo compartment, two straps, and a frame. The cargo compartment is wider at a top end of the cargo compartment than at the bottom end. The frame has a first portion located adjacent to one side of the user's spine and a second portion located adjacent to the other side of the user's spine. The first and second portions are shaped to be complementary to the user's spine. Also, massaging beads are located in the frame and massage muscles on each side of the user's spine. |
