Hmm don't like the look of that trim too as its made of metal, would be too easy to slip and scratch the panel/paintwork, specially with those pokey out bits
Would rather go for something like this http://cgi.ebay.co.uk/Sealey-Trim-Tool--%26-Upholstery-Tool-Kit-Set-5Pc_W0QQitemZ160331829448QQcmdZViewItem