Quote Originally Posted by M. A. C. Newsome
Cut the eraser off of a standard pencil. When you pin the kilt pin on, stick the eraser on the pin (on the back of the apron). This will act as an anchor, so that if the kilt pin should come unclasped, it won't completely fall out. It will get stopped by the eraser and you'll be able to fix it.

Haven't lost a kilt pin yet!
Matt
Thanks Matt. Brilliant idea! Just tried it and it works a treat. Jane had bought me a very nice sterling silver pin for our wedding anniversary and I have been a little nervous wearing it. Now it feels secure.