Border and joining Modification

Rnd 1: join dc space at end of row, ch 5, counts as first dc and ch 2, dc in same sp, ch 1, * (dc in next row-end sp, ch 1) to last row-end sp, (dc, ch 2, dc) in next sp, ch 1, working in unused loops of foundation chain, dc in same ch as shell, ch 1, dc in ch 2, dc in 14 sts, dc in ch 2, ch 1, dc in same ch as shell, ch 1, (dc, ch 2, dc, ch 1) in next sp, repeat from * , joining in 3rd ch of beginning ch 5.

Rnd 2: sl st into ch 2, ch 2, counts as first leg of cluster, 2dctog in same ch 2, ch 2, 3dctog in same sp (cluster made), ch 1, * (cluster, ch 1) in each ch 1 to corner, (cluster, ch 2, cluster, ch 1) in corner ch 2, [(cluster, ch 1) in next ch 1] 2 times, dc in 14 sts, ch 1, [(cluster, ch 1) in next ch 1] 2 times, (cluster, ch 2, cluster, ch 1) in corner ch 2, repeat from * , join in behinning cluster.

To join:
with wrong sides together, and working through both thicknesses, sl st in corner ch 2, ch 1, turn, (crab st sc, ch 2) in same sp and in each sp to end, crab st sc in corner ch 2, fo.