Biking is a great way to get around, and you'll need the usual stuff for safety. Lights and helmets.HelmMate, has a clever solution to keep your helmet on safe.

It’s a small case that attaches under the back of your seat; inside is a water-resistant cover. When its locked up, the nylon sack fits your helmet inside locking it up. It also doubles up as a way to keep your butt dry on a rainy day.

Purchase your own for about $45 here. [Gizmag]