In this tutorial you will learn how to use an old bicycle inner tube that can not be repaired.
What you need:
Old inner tube
New inner tube
Step 1: Take the Old Inner Tube and Remove Valve Stem.
Step 2: Cut It Along Inner Perimeter. the Cut Must Cross the Hole After Valve Stem.
Step 3: Inflate the New inner Tube until It Just Holds Its Shape and Wrap It With Old Cut.
Step 4: Insert a Wraped Inner Tube to Tire and Finish Installation.
This trick wil protect the inner tube from small stones and other sharp objects.