Possible Clues:

• By the sound of it, wait a little and pound them all together
• You can pound them all together
• It's for us to make light of them at once
• Once might get us by the pound
• Small units of weight
• One might have pounded them together with us
• They're equal to about 28 grams
• Pound the ell together
• Lightly pound them all together
• You may get a pound or more of them