At both ends of the edge title ruled / double-page spread, edge title column that can be written and title date comes. You can become headline by writing to end the date and title, to find immediately the record you want to see. With color-coded edge title column easy to find in the / case-by-case basis, can be found at a glance projects that you want to see from the edge of the page. You can also organize and paint color to the position that matches the INDEX further. Because it is a measure of the beginning of a sentence and the title date / write and to organize on a case-by-case basis, even writing several projects in one page, you can organize clean. Even in the middle you can enter without waste of / page, since it is the beginning is the next project, margin wasted is eliminated. It is a twin ring binding that can be used to compact by folding.