Do you have areas of grass in the garden that you find hard to keep under control? Even the most edge-friendly lawnmowers can struggle to reach every blade of grass, and there's nothing like straggly lawn edges to make your garden look untidy - not to mention the associated creep of grass into your borders. A grass trimmer is the perfect tool for tackling those hard-to-reach areas, and this spring I've been putting the Gtech ST20 Cordless Grass ...