tiger tape is a tape with little marks on it it is narrow, like 1/4" or 1/8th" wide and you can get it with the marks from 4-12 per inch, it bends, or gives you nice straight lines, you place it along your quilting lines then use the marks as a guide to make your stitches...helps learn to be consistant, make your stitches even...is available in most quilt shops, or joannes type stores,and is inexpensive.