main strength and awkwardness

main strength and awkwardness

Fig. great force; brute force. They finally got the piano moved in to the living room by main strength and awkwardness. Lifting the antique table must be done carefully. This is not a job requiring main strength and awkwardness.
References in classic literature ?
Three of the warriors were sitting upon me, trying to hold me down by main strength and awkwardness, and they were having their hands full in the doing, I can tell you.