Hi, I have nothing to do with this company whatsoever but I have seen what they do and it is quality stuff as used by motoring organisations, BT and other big nationals, the website is www.bottltd.co.uk and a contact there is on e mail
[email protected]
He was last year offering 25% dst to short circuit racers if you had a sticker on your van saying it was bott racked, may be worth a try or just look at the website for ideas so you could do it yourself ........