Preventing guard recovery after collapsing the knee shield Q&A You cannot view this unit as you're not logged in yet. Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditGoogle+TumblrPinterestVkEmail About the Author: virendra One Comment Nawrass C April 11, 2019 at 3:01 am Log in to Reply Great details. Thx prof Henry. Hi Will 😊 Leave A Comment Cancel replyYou must be logged in to post a comment.