Possible Clues:

• Downsides to both sides produced by Colman Hawkins
• Cell denizens
• Downsides when there's a lot missing from coolants
• Flimflams
• Weighs (Dodge)
• Tricks those trying to outwit 13 across
• Tricks both sides concealing weapons
• Deceitful schemes
• Pros and __ (reasons for and against)
• They'll never be pros