Bringing tools along with you when you're on a ladder isn't a safe choice unless you've got everything you need properly placed. This tool here will make a lot of difference.

It looks like a large rubber shiv, and you can stab it into the end of the hollow rungs on an aluminum extending ladder. When jammed into it, it can support 22 pounds.

The Ladder Limbs will set you back $30 each, but can you really put a price on safety? [Ladder Limb via Werd]