While those works, they can leave some traces. The guy behind Wipebook made a video about it [1]. See also the Tips and Tricks videos from the same company [2] [3]

[1]: https://www.youtube.com/watch?v=m-hE6VDAG_I

[2]: https://www.youtube.com/watch?v=fQtGd0YkMos

[3]: https://www.youtube.com/watch?v=y_PWw7G1jfg