August 20, 2010 The new IQ Bowsight from Field Logic (makers of The Block and Rage broadheads) features a revolutionary Retina Lock technology to help extend your effective range by 20 yards! Share this video: Share this on Facebook (opens in new window) Share this on Twitter (opens in new window) Post a Comment Login with FacebookLogin with Google Login To Account Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Δ