Nor sure if anyone still sells them, but they are fairly easy to make. There are several threads where people show off their own mods along the same theme. Sorry, I so not have any of the references handy at the moment.
Look at the 'similar threads' box below. There are five threads related to W.O.G. in there, ad plenty more will probably show up with the Search feature.
If you do not find what you need, or if you need assistance with what you find, there are plenty of us around who will be happy to help you get it done.
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