Move by Request
I have two rings. I move by request. If the mixture is not right, I just sit at rest. What am I?
Answer
I am a Piston.
Rating:
+3
  
Name*:
E-mail:
Код
Message*:
  Notify me about new comments for this riddle

 
 

Similar riddles:
Each King
Days of the Week
Waterless Sea
Cannot Be Worn
First thing
And what's higher than God
Ready For Work