I'm going to tie up a tennis ball which will hit my windshield when I get too close to the wall. |
Some string |
Tie it around a nail. |
Stick the nail into the tennis ball. |
Adjust it and tie it up to a hook/screw. |
No more banging into stuff. |
I'm going to tie up a tennis ball which will hit my windshield when I get too close to the wall. |
Some string |
Tie it around a nail. |
Stick the nail into the tennis ball. |
Adjust it and tie it up to a hook/screw. |
No more banging into stuff. |