Possible Clues:

• Bicep or tricep, for instance
• Too strong for Molly Malone, by the sound of it
• What, by the sound of it, Molly Malone had for sale needed this to sell it
• Might number clues in the wrong order
• Deltoid, for one
• Strength of animal carrying sack here and there
• Might Frenchman have cryptic clues?
• Power of special constable to intercept drug smuggler
• Authority makes you cross, regularly sick inside
• Hippopotamus clearly shows strength