The Grip Waist Belt with Extendable Wrist Restraints. Allows restricted mobility for specific actions or recreational activities while inmate or patient is still restrained. Excellent for mental health applications. The Grip Restraint MRI-safe Waist Belt with Extendable Wrists use brass locking buckles and have eliminated all magnetic properties. The new Grip MRI-safe restraints are the first safe and high security solution.