Simple, almost no tools method of setting toe in. Plumb bob, string, pencil and wrench required.

- Pick the same groove in both front tires.
- Put the plumb bob string in the groove with the bob in front of the tire.
- Let the bob sag to the floor.
- Mark the floor with your pencil
- Repeat on back of tire.
- Repeat on other tire.
- Measure between marks at rear of tires.
- Measure between marks at front of tires.
- Subtract.
- The difference it toe-in.
- Adjust until it's where you want it.