It can be tricky, but it’s worth persevering as with some practice you’ll find you get the feel of the bevel angle right. Once you’re satisfied with the blades, lightly oil the moving parts. Apply saddle oil to leather holsters, which helps to keep them supple and looking cared for. If you don’t want to sharpen tools yourself, many manufacturers offer a sharpening service.
Felco offers a full service for its secateurs for £25. You can find equipment mentioned here at many good hardware stores, and for an extensive range of handles (of varying sizes and shapes) take a look at bulldoghandtools.co.uk