Related Clues:

• That'll make one fast asleep after tea
• Hold you and put you to sleep at last
• Silver checker
• Place on a leash
• Horse's restraint
• Trigger strap?
• Free ... is carte blanche
• Curb, with ''in''
• Charioteer's strap
• Note the rope providing restraint
• Sappers in control of cavalry
• It's time, round about three, for restraint
• ... check to rule without force
• Check the weather on the radio
• Check drops for the ear