Related Clues:

• Dull, as a party
• Part of a draft horse's gear
• Draft animal's rig
• Unlikely to offend
• Tack item
• Curb, as spending
• It has a bit part
• Put down, as an uprising
• Change from wild to mild
• Hardly risque
• Reins, bit, etc.
• Serviceable but harmless
• Not very racy
• Like housecats
• Show indignation