Some people won't be able to find boots that fit perfectly out of the box. It's not always possible to find boots that don't require some kind of work. I have really narrow ankles and extremely wide and short feet. In addition, my natural, standing up straight at attention stance has my feet ducked out about 30 degrees each. I've been riding +26/-20 lately. I literally don't think I'd be able to ski because pointing both of my feet straight ahead causes my knees to flex inwards and leads to a lot of knee strain.
I have tried, to date this year, about 18 different pairs of boots, from Salomon wides to Burtons to DCs. Not a single one, not even after heat molding or adding Superfeet or other orthotics, would 100% remove heel lift when putting all weight on the balls of my feet (lifting from the ankle) unless the boots were too small to fit the dimensions of the rest of my feet, in which case I suffered from loss of circulation, cramps and other problems.
The short, quippy answer to so many boot questions on here about "finding boots that fit right in the first place" is rather asinine and assumptive and not at all helpful to the person looking for advice.
To reply to the original poster:
If your boots are so roomy inside that you need an external ankle brace thing like you linked to, then I would take the advice of other people here (and the person who posted a comment on the item itself) and consider new boots.
Last edited by RVM; 02-02-2009 at 06:12 PM.