Roll-Up Board Game / Card Game Surface

Step 7 Tack around the edges

Tack (baste) around the edges with bright coloured thread, removing pins on the way, just to make the next step (ironing in the crease) easier.  In practice, you could probably get away without doing this and just iron along the edges, removing the pins as you go, but it's important to get this edge straight so we thought this stage was worth doing.