Fence. Planted with living stems of willow ( length 2.5 m diameter > 1.5 cm) stem height 1.2 m diamenter 20 cm - 2 rods per planting hole - a straight and a bent, alternately to the left once, the right once, bind joins with string or reeds etc. Bamboo can be used instead of willow - Just make sure it is quite dry.
"How to make a living willow hedge" ~ Almost all willows take root very readily from cuttings. Young, thin willow cuttings are known as withies, longer willow rods are known as whips. Willows have high levels of auxins, hormones that promote rooting success. The hormone is so prevalent that "willow water" brewed from willow stems, will encourage the rooting of many other plant cuttings as well.
A wood frame with tall, straight willow branches stuck vertically into the soil and intertwined into the frame. Caution, willow roots are aggressive in seeking out moisture; for this reason, they can become problematic when planted near cesspools or drainage areas. They should also not be planted close to a building due to their roots aggressive and large size. modmissy.com
Could it be this simple? hmmmm The living willow fence- In short, you take long and straight willow stems and plant then in a line in the spring (just stick them in the ground), weaving them into a desired form and tie joints together for stability for the first few years for stability (elastic is good for this, but will need to be removed eventually).