There are indeed lumps. I've positioned the clips actually on them, so the lump sits in the gap in the clip, if that makes any sense?
I understand what you're saying, (and I'm not surprised that Mart built them right because he's a great engineer). The clip should be completely upstream of the lump though, mate. That way, if it starts to disintegrate, you have no risk of it going wrong.
Move the entire clip behind the lump, is what I'm saying.