Mr steel balls
For this step I get very bad, get ready to suffer, you've had fun with the edge, now you'll regret having the balls.
Go to get the 5kg weight.
Now place your balls on the board, and place both the seat and the lid on top, place them so that they are inside as much as possible, once secured place the 5 kg weight on the lid so that it does not fall as close to the balls as possible .
Start to count 1 missisipi 2 missisipi 3 missisipi ... when you get to 100 you can stop, start pulling the pelvis back and try to free the balls from the grip of the seat and the lid, free whit violent blows with the pelvis, try to free yourself .
obviously do not take the weight off from above.
Done? It was painful I guess ... do it again, put it back into place, count and then pull it out.
3 times should go.