Safety: A weight belt with cables that attach to the bar. Stabilizes the wearer when performing squats.
Stability: Bench with a belt that you strap into to stabilize you. Helps people with one arm perform high weight dumbbell presses and other exercises without falling off the bench.
Stability: A prosthetic arm that allows the wearer to perform compound exercises, bench press, squats, overhead presses. The end of it attaches to standard barbells.