Chain 156 (This is foundation row, work loose chain)
Row 1: dc1 in fifth foundation chain from hook, dc1 in each chain to the end
Row 2: ch1, sc1 on first de [ch6, sk 3dc, sc1 in fourth de] repeat the[] to end. Finish with sc1 in last chain of foundation.
Row 3 - 8: ch8, sc1 in first chain space. [ch6, sc1 in next eh sp]. Repeat [] to end
Row 9: ch3, dc2 in first sc, sc1 in next eh sp, [dc6 on next sc. sc1 in next eh sp] repeat[] to end. Finish work with sc in last eh sp, dc3 in 6th chain of ch8. Cut yarn and weave in the ends.

Draw leather string (or ribbon, etc) through indicated position of row 1.