Abstract: A strap-on aerator wheel comprises two or more curved pieces having metal spikes protruding outwardly from an outside surface, a first strap end fixed to a first end of a first curved piece and a second strap end fixed to a second end of a last curved piece, a linking mechanism joining each second end of a curved piece to a first end of a next curved piece not already fixed to a first or second strap end wherein when the first and second strap ends are joined, the two or more curved pieces form a circular shape and wherein each linking mechanism is configured to be adjusted to conform to the diameter of the wheel wherein the circular shape is held onto the wheel and wherein the metal spikes are configured to aerate a lawn as the wheel is moved over the lawn.