We lease and manage a very nice log Bed and Breakfast in Idaho. There are 2nd story log railings around most of the building. We have sanded and re varnished the interior areas but need to do the exterior rough wood railings. I was wondering if there is a strip type sander that you can hold in your hands ( one end in each hand) and have the strip go around the back side of the railing so that you can sand these from the deck area with a back and forth motion of your arms. I am thinking something