Front squats are brutally effective, but they are not friendly to every wrist, shoulder, or rack position. A front squat harness offers another way to load the movement while preserving the benefits.
Chains make the front squat heavier where you are strongest and lighter where you need more room to move. This demo shows accommodating resistance in action for a classic lower-body strength lift.
Chains change the loading curve and add a serious twist to front squats. This clip shows wave loading and accommodating resistance in action.