Assemble the Spinning Basket and the 2 Buckets Use and Clean 1. Fill the large bucket with clean water, then submerge the mop head to rinse the fibres a few times. 1. When taken out of the box, the spinning basket is loosely on top of the pedal bucket which is inside the large bucket. 2. Put the mop head into the spinning basket. 2. Take the bucket with pedal out of the large bucket and place them separately on the floor. 3. Push the pedal down with your foot. The pedal will lift up automatically.