For your strap:
1. Sew one side together, inside out.
2. Turn outside right and stitch along edge
3. Fold inside the unfinished edge of other side and sew along the fold
4. Stay-stitch (forwards/backwards/forward) the end of your strap inside your tote near the edge of the zipper
You're done!!!!! snip off loose threads and fill your sweet LINED CIRCULAR tote with a ZIPPER with your most cherished possessions.