Stainless Steel Ice Lock

Fill the Stainless Steel Ice Lock with water and place it in the freezer in an upright position. Once completely frozen this locking device is ready to use.
The O-rings at both ends are perfect for attaching cuffs or other restraints and the use of the lock ensures there is no escape until the ice melts.
Measures 18cm from O-ring to O-ring and 5cm Diameter.
Ice lock can last between 45 minutes and 2 hours depending on how warm the room is and how much water is in the flask.