Coming towards the beginning, turn under as much as you can, then stitch a bit closer.
Tidy up the turning, before you make the last few stitches.
The last bit gets pushed under, and then stitch to the end.
Sorry, this is blurry. Got too close
[ATTACH=CONFIG]114781[/ATTACH]
And there you have it
[ATTACH=CONFIG]115037[/ATTACH]