Related Clues:

• Seize, snatch
• Spring or swoop down on
• Jump down on suddenly
• Seize and snatch
• Jump down suddenly on
• Spring or swoop down on to attack
• Swoop down suddenly
• 'Seize, snatch (4)'
• The spring sounds soft and is light
• Plightweight?
• Spring onto the one of 30 across under the piano
• It's bound to be followed by a blow that's light at last
• Land on it lightly at last
• Bound to be like a predator and be light at last
• Soft and light as one may land on one's prey