Having returned from a day in the woods, I was browsing the internet and looking at videos of how I was supposed to be felling my trees. They reminded me a bit of the idealised diagrams in forestry books and chainsaw instruction books! The subject tree is normally perpendicularly located on level ground with sufficient space around for it to be felled into; also the weather is fine and the personnel are clean! My woods, on the other hand, are on a slope; virtually none of the trees are vertical, most of them being well overgrown coppice stems growing out at all angles except 90 degrees. There's very little space for them to be felled into. Despite my best efforts, make the cut slightly wrong and its hung up.........again.........and its wet and I'm muddy having tripped in the brambles that weren't in the video!!