How to repair an Electric Heavy-duty Tricycle?

Electric Heavy-duty Tricycle have holes due to carelessness during use. If the impact is not too great, they can be repaired.

First, the damaged part can be repaired flat and firm. After cleaning the damaged part, apply a layer of black lead oil on the upper part. Two rows of parallel and staggered autumn leather nails must be nailed within 40 cm of the edge of the new canvas to be repaired, and the distance between the two rows is 20 cm.
Secondly, the canvas that has been coated with black lead oil cakes on both sides and dried is spread on the damaged part, and the sides and the bottom are pressed 40 cm over the damaged part. And after the Electric Heavy-Duty Tricycle is repaired, black lead oil must be applied once within 40 cm of the edge of the new canvas and at the seam.