Lynch Pins and R Clips

The versatile clips...but what do you use them for? I have often wondered why we sell so many of these clips and pins. I know of a few uses for R Clips such as retaining shaft collars onto a main shaft, fixing wheels to shaft etc but what else? Also, Lynch pins, yes they are used in caravan stabiliser units and agriculture but what else? Another interesting point is that they vary so much in price, just enter and search on google shopping and you can pay up to 30p each plus VAT for a Lynch pin, we sell 4 for £1.00, whether 8mm or 6mm, and 25p each for an R-clip, we sell bundles of 10 for only £1.00.