This small ring-and-rope puzzle consists of a horizontal bar which a dark brown ring on its left side. The objective is to move the ring to the right side of the horizontal bar (where the rod has no round mark). Unfortunately the brown ring cannot be moved over the vertical bar that goes through the horizontal rod. It also cannot be moved over the bright ring that blocks the way along the rope. But how can it be done?
This puzzle should not be too difficult to solve.

This is the puzzle in the solved state: