 Then you just measure a linear length. You can pace it off. You can use a tape measure. You can wear those little fancy wheels on a stick and you get the total linear feet you need. And then you just purchase that amount and it's a flexible rubber-like material. It'll come in a coil or for the shorter lengths, like the sidewalk sticks, they're just straight links. But most of the time it's in a coil and you just uncoil it out and