Possible Clues:

• Fighting against case of terror, and getting a grip
• Drawing
• For drawing, but not for still life at last
• Pulling power of empty thriller - start of play being performed
• Stretching of a broken bone by weights and pulleys
• Use of weights and pulleys to heal a fracture
• Pulling power
• Which leaves on the line will affect ascent of number one wagon, taking time?
• Continuous pull on limb in medical treatment
• Drawing what's on the move at last