If you use a stand mixer, you might be interested in this – take a look at these self scraping mixer blades.

They are pretty neat – here’s what a couple of them look like:

Beater Blade for 5-Quart KitchenAid Tilt-Head Mixers SideSwipe for KitchenAid 4.5 and 5 Quart Tilt-Head Stand Mixers

The design of these blades/beaters allows them to scrape the sides of the mixer bowl while the beater is spinning. It actually works pretty good.