Pillow property comes up short

The Fatboy is too thin. The plan was to throw the phone on a pillow, into which embeds the smartphone and charges. Rather, I have to drape very carefully and hope that it is not slipping. If the pad at a slight angle, which happens quite easily. So it's less a cushion, because a fabric cover for plastic Induktionsauflader. One can also omit the pillow .. (just the reference deduct, is completely open at the side of the cable)