WHAT KIND OF KEY HAS LEGS BUT CANT OPEN A , RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

A piano. Did you answer this riddle correctly?
YES  NO  

Tom puts one of his locks on the box with the ring in it. When Sally gets it she puts one of her own locks on the box and sends it back to Tom. Finally Tom takes his lock off of the box and sends it back to Sally who can then unlock her own lock and retrieve the ring. Did you answer this riddle correctly?
YES  NO  

Shamrock Did you answer this riddle correctly?
YES  NO  

Piano Did you answer this riddle correctly?
YES  NO  

Because the keys are inside! Did you answer this riddle correctly?
YES  NO  

Three locks are unlocked Did you answer this riddle correctly?
YES  NO  

By school buzz! Did you answer this riddle correctly?
YES  NO  

The school buzz Did you answer this riddle correctly?
YES  NO  

A key Did you answer this riddle correctly?
YES  NO  

To the mewseum Did you answer this riddle correctly?
YES  NO  

A key. Did you answer this riddle correctly?
YES  NO  

Crayons Did you answer this riddle correctly?
YES  NO  

What's your point?! Did you answer this riddle correctly?
YES  NO  

A spelling bee! Did you answer this riddle correctly?
YES  NO  

Toothpaste Did you answer this riddle correctly?
YES  NO