How To Avoid Hitting Garage Door Frame,
How do I stop my garage door from hitting the side?
1) Carefully cut a thin slot into the tennis ball (picture 1). 2) Tie a knot into the end of the string (picture 2). 3) Push the knot into the slot (picture 3). 4) Measure and cut chord, leaving some spare string in case you want to use it in other spots later on.28-Mar-2020