Does anyone know where I can get hold of a tool which would clean out the dust and cobwebs which accumulate in the fins of my Stelrad radiators? It will take hours, I know, and I think they are a ridiculous design. They can't work efficiently if they get stuffed up with dirt but I haven't found a way of getting it out. Had no probs with the old fashioned straight doubled panelled rads in our previous house. What's the point of the fins anyway? They certainly don't look very nice.