Being an expert on this:
Step 1.0) Tie tow rope / hook to panel to be pulled straight
Step 2.0) Tie other end of rope to a lamp post
Step 3.0) Reverse hard
Optionally change step 2 & 3 for:
Step 2.1) Tie other end of rope to a truck/4x4/tractor (Hilux's works well)
Step 3.1) Apply handbrake and brake pedal firmly whilst friend drives Hilux in opposite direction
Lastly:
Step 4.0) Adjust rope if necessary and repeat step 3 until desired effect is achieved.
Step 1.0) Tie tow rope / hook to panel to be pulled straight
Step 2.0) Tie other end of rope to a lamp post
Step 3.0) Reverse hard
Optionally change step 2 & 3 for:
Step 2.1) Tie other end of rope to a truck/4x4/tractor (Hilux's works well)
Step 3.1) Apply handbrake and brake pedal firmly whilst friend drives Hilux in opposite direction
Lastly:
Step 4.0) Adjust rope if necessary and repeat step 3 until desired effect is achieved.