Fold one end of the strap under about 1/3 of an inch, then slip the other end in about the same amount. Pin the two together and sew along the seam.  Photo 7 of 13 in Storage Slings

Storage Slings

7 of 13

Fold one end of the strap under about 1/3 of an inch, then slip the other end in about the same amount. Pin the two together and sew along the seam.