How-to videos are all the rage online these days. You can find them at YouTube, and there are also websites such as Howcast that feature nothing but how-to videos. It's part of a trend towards simple video explanations. For an upcoming episode on this trend, we'd like to get your suggestions for what how-to video you need in your life.

Personally, I need a how-to video on how to do regular maintenance on my bike. I take my bike everywhere, as long as the streets are dry, but I've never really learned how to look after it. At the same time, it's not the kind of thing I feel like investing tons of time researching, or taking a course in. Voila! A how-to video is a perfect solution.

Give us your how-to pick by leaving a comment here (just click on 'comments' below. Three winners will get a stylish and practical Spark reuseable grocery bag! Good luck!