Después de 3 días de entrenamiento, es fácil.

• 00:02
• 00:12
• 00:22
• 00:32
• 00:42
• 00:52
• 01:02
• 01:12
• 01:22
• 01:32

I went from a diameter of 4 cm, to 5 cm in three days, finally, it fits without problem in me