Related Clues:

• Open, as a bag
• Loosen
• Undo
• Unlock
• Loosen, in a way
• Detach
• Take off, as a guitar
• Remove, as a seat belt
• Loosen or open, say seatbelt
• So to decelerate, perhaps, might make it loose
• Slow down, perhaps, in a loose sense
• Remove the chain from, say
• Remove, as a seatbelt
• Release catch and have wild fun with a gun
• Number after kinky fun, as free