There's an ankle version of that that you can buy as a kit: http://sensebridge.net/projects/northpaw/ http://sensebridge.net/projects/northpaw/ (It does look k

There's an ankle version of that that you can buy as a kit: http://sensebridge.net/projects/northpaw/ http://sensebridge.net/projects/northpaw/ (It does look kind of bulky though.)