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Bike Dog Walker

Step 3Spring

Spring
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At the local hardware store buy a closed end spring as shown that is 1" X 7" X.135". If you can't find a spring that is this size, the important thing is to make sure that when the end of the spring is removed, a 1/2 pipe can screw into it.

When I bought this spring at the local hardware store, I walked to the plumbing section and sized up a 1/2 npt pipe to the spring and found that with a little force the spring would screw onto the pipe.
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