18 Free PSD Skeuomorphic Buttons for Mobile and Web

Skeuomorphic design plays a great role in deign of mobile and web, especially in button design.?“In a skeuomorph what you see is a design that is based on a familiar physical object, and often on a defunct one.”  Source
Skeuomorphing is very popular and has been used widely in mobile and web recently. Specially in mobile devices where we use finger and gesture often. This try to create a connection to the real version of the designed button.
Below I want to review 18 skeuomorphed buttons and the emotional role they play in user’s decision.