Meet the Titan Fitness Linebacker Squat Trainer: a landmine attachment for linebacker squat, hack squat, overhead presses, and other workouts. You can use this with Olympic bars and weight plates. It has a narrow shoulder pad and 2 weight posts, so you can push your body harder.
The Titan Fitness Linebacker Squat Attachment has 2-inch padding and knurled rotating handles. It has a heavy duty steel construction.