For, although they can inflict instantaneous death by a retrograde movement, yet unless they can at once disengage
their stinging extremity from the struggling body of their victim, their own frail bodies are liable to be shattered.
Raoul seized his father by the shoulders, by the neck, as he could, and embraced him so tenderly and so rapidly, that the comte had neither strength nor time to disengage
himself, or to overcome his paternal emotions.
The mechanism disengages
automatically when front or rear brakes are applied, or when the clutch is disengaged by the rider.
As the drive engages and disengages
less often, clutch life increases, noise decreases, dust buildup in the radiator is minimized and more horsepower is available --allowing the vehicle to achieve higher work output.