Originally Posted by Radicalized
^What he said. The teeth of the clamp will be held against the mains when you clamp the first cross after pulling tension. There is also the bend of the string going from a main to a cross. That's all there is with no connection to a base. Put a "dummy" piece of string in the empty side of the clamp when clamping the first cross (single) string. Then weave and tension the second cross. Clamp cross one and two. But it's late. Am I missing something in your concern?
^^^ That's exactly what I do. Works like a charm. Always use a short piece of scrap string to clamp