Hedge laying and coppicing
Hedges can easily get overgrown or straggly. At this point they need management more drastic than a simple cut.
Hedge laying is a traditional way to create a thick, bushy hedge from a thin and straggly line of plants. The stems are almost cut at the base, then laid horizontally. Stakes cut from side branches are knocked into the ground, and the stems woven between them. As the bushes regrow, branches come from the stems in all directions.
Coppicing is another traditional technique. Bushes are cut close to the stump, which encourages vigorous fresh growth. Several stems will grow from each stump, making the hedge much thicker.
However it’s achieved, a thick-based hedge with a long grass margin is excellent for nesting birds like yellowhammers and linnets.