Can someone translate this please? Does flush mean excess? Or is it it some specialised part of the skewer? What's the sharpie thing about? Sounds like someone's nickname for their favorite tool but I'm kinda ignorant.

I suspect the Pitlock kit I got has skewers which are going to be too long for my wheels. Family have got someone coming round to do some building work this week and I'm hoping to borrow their tools or if I'm worried about messing it up, see if one of them minds helping me out with it. Be good if I can tell them how someone else has done a good job cutting it down to size.

Thanks