Hi, thanks for all the feed back.
Ok, the boots I wore were my thigh high, black boots from Pleaser. I had them tucked underneath my PVC trousers, trousers without a bootcut (it was a fetish club - strict dress code and I like the PVC trousers and boots look) but the heels themselves were clearly visible. The second time I went was the same trousers but I had my black matt. leather knee high boots with me. When I finally put them on I just zipped them on over my trousers, felt GREAT!! Have to add that I was well full of liquid courage by then

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I got changed at the end of the night and wore my normal jeans and shirt home but when I got off the bus I realised the street was really quite and I knew once around the corner I would have a tree lined street with plenty of cover so I put my boots on under my jeans and walked home in them. A few cars drove past me but don't think anyone noticed. Both pairs of boots have a 5" heel and my thigh high boots look like Highestheels' avatar, but black.
Club Rub, I'll check the internet for more details, sounds good though, yeah, I'm looking for some sort of club where I can get more use to wearing my boots in front of men and women before I even think about going out in public. Get use to wearing them in semi public first.
Highestheels, thanks, hey, you might want to consider trying it out in a club for the first time too, I won't lie and say it was easy, I was really nervous both times but I think the more I go and the more I do it, the easier and more natural it'll become. One kind old lady told me that there was another man that liked to wear boots and hhshoes, which did make me feel a bit more comfortable, unfortunately he didn't turn up either of the nights I was there.
Again, thanks for reading and for all the comments.