Alastair Armstrong Amptamanjaro Guts2Glory Guts2Glory SportNorman (Above Knee) and Michael (Below Knee) demonstrating Krav Maga knife defenses on their custom A Step Ahead Prosthetics!https://www.facebook.com/photo.php?v=10151669048541766 Alastair ArmstrongWednesday, October 16, 2013 - 17:09