Tool Mortar Joints for Smooth Finish

>> So, you take a paint stick. It's got to be straight on the end. >> Yeah. It needs to be squared up. Kind of >> squared up on the end. Okay. kind of square it up. >> Yeah. And you want to just kind of smooth the joint out. >> Yeah. >> And you want to form it to each side of the rock. You got to turn your paint stick a little sideways, you know. >> You want to form it to each side of the rock. You just smooth the mortar out. You want like a smooth looking joint like a a brick joint. And you just brush