REAL-TUFF, Inc. 15242-460th Street , Clearbrook , Minnesota 56634 USA About Solutions products Publications videos Companies REAL-TUFF, Inc. Products Model Pro HG1 - Head Gate Neck Extender Model Pro HG1 - Head Gate Neck Extender 0 Share Provides great access to the injection area. Holds head more secure for implants, eartage, shots, etc. All chutes are available with or without the Neck Extender. Customer reviews No reviews were found for Model Pro HG1 - Head Gate Neck Extender. Be the first to review! Add your review Publish your review Great! review successfully added!