1 First, make sure you fasten off, weave in ends and block pieces. Place pieces WS together. With a slip knot on the hook, insert it into the far right stitch on both pieces, work a slip st.
2 Make 1ch (the t-ch for dc). Insert hook into the second stitch of both layers and work a dc stitch. Work more dc stitches in this way along the edge, as far as you need to.
3 Fasten off, weave in ends, open out the seam and lightly press from the WS. This makes a raised seam for a decorative effect on the RS (see above), using any colour of yarn.
4 In step 1, if you place the pieces with RS together and work the seam, you’ll create a more…