WHAT WORK MOST EFFECTIVELY GUTTER GUARDS FOR PINE NEEDLES?

Everyone has heard stories about gutter guards that do not work. I've been installing gutters for 14 years. I remember the time when there weren't 50 strategies to styles of gutter guards. Back then there was an affordable screen-flimsy aluminum, Gutter Helmet-the original cover, and the home plastic screens from Do It Yourself Centers. And that's