You can also bend the metal clips so that when you put them in they don't fall over sideways and do nothing. There's a pic in my album of bent clips. Devachan taught me to grab a curl at the root, tug a bit in the opposite direction to get lift and clip right at the root.

Good luck.
3B, normal porosity, med to coarse texture
Deva Inspired, LiveCurlyLiveFree Trained Stylist