Product progress

First-generation:

Use slide rails similar to drawers and use wooden door handles as a relay point for the rope.


Second-generation:

Use straps and iron loops to quickly hook the rope hooks.


Third-Generation:

 After a small modification, the product can carry the chairs.


 It also can carry the bag.


The big-box will not fail it
future:
forth-Generation:

Replace with rubber tires and increase the load
fifth-Generation:

Two drawers are added to reduce assembly burden
sixth-Generation:

The drawer retracts automatically, no need to use elastic rope