No reason to laugh. I asked the same question about two weeks ago. If you search, you will find a fulsome and generous answer. There is a little eccentricity here, but it is an exceedingly cordial - which is very pleasant for the web -- and incredibly informative forum. Just see yesterday's fascinating explanation of the genesis of goodyear-welting and the evolution of its status.
8/27/13 at 10:31pm