I recently bought a Hinterberg Easy Build Plus quilting frame kit (hand quilting). We got it all together, but being a newbie at quilting I am not sure about the 3 aprons on it. The back pole apron is 24 inches, the middle pole apron is 15 inches and the front pole apron is 5 inches. The question I have is: Where do you pin the quilt on these pieces?? Do you pin it right under the bar or in the middle of the apron or on the very end at the edge? It seems to me that it would make a big difference as to how your quilt ends will meet when you are finished. This sounds stupid I know but don't want to do it wrong. The company representative couldn't tell me as he didn't know.If anyone knows about this please let me know. Thank you SO much... :)