The Timed Finger v1 and Timed Finger v2 were made by Daniel Jansson of Switch & Lever 
(http://www.switchandlever.com & http://www.youtube.com/user/SwitchAndLever) and is 
licensed under Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.

You are free to copy and redistribute the material in any medium or format, you are 
also allowed to remix, transform, and build upon the material. 

You must however give appropriate credit, provide a link to the license, and indicate 
if changes were made. You may do so in any reasonable manner, but not in any way that 
suggests the licensor endorses you or your use.

You may not use the material for commercial purposes.

You can see how it's works in https://www.youtube.com/watch?v=y26ysLvM3to.

For a full text of this license, go to: http://creativecommons.org/licenses/by-nc/4.0/