This guy used to run the LHBS in Queanbeyan. As far as I know he is still operating from home.
http://www.ebay.com.au/usr/the-spirit-guy?_trksid=p2047675.l2559
This capper is made from an old door closer. It has a rack and pinion mechanism inside which makes it very easy to use one handed. It does not need to be bolted down.
