In reply to UKC Articles:
Actually, I had one I always used (seriously) from very early in my climbing - I even mention it in my Fiva book: LLLL. A way of reminding myself of the essentials for climbing well when leading - at least, what worked for me. They're also in a rough order of priority, or in the order you do them. Light: lightness of touch, on both feet and hands/arms. As light as possible, treat it all delicately cn brute force. Look: really look for all the holds; don't just assume and rush. Lean: a sort of vague reminder to be imaginative with your body position. Not just 'straight up and down' but, typically, leaning sideways a lot, or facing sideways, or leaning out with the upper body, etc, etc. Finally, Laugh. For me the most important final stage in the process. The thing's meant to be fun: relax, and stick a grin on your face, even if you don't feel like it. Quite extraordinary how that worked for me. Relax your face and the whole body relaxes ...