It is necessary to take a barrel with a volume of at least 100 liters, and on both sides it is necessary to drill a sufficient hole so that there you can install a shaft with an angle of inclination of 30 degrees. To the bottom of the barrel, flanges with bearings are mounted. The next stage of work is devoted to the boot opening, which will be located on the side of the barrel. The whole structure should be mounted on the frame, which will be made of cooked corners.