Garden tuteurs, or obelisks, give your garden upright forms to train vines and other climbing plants. They also add interest to an area by lifting the eye upward. Tuteurs can be as plain, or as ornate, as you wish them to be. As simple as a few bamboo canes lashed together, or as elaborate as a tall metal structure fused into a rather fussy design, these pyramid shaped frames have been part of gardens for hundreds of years.