Cobra - 1993 Push It 1-3 was released on:
USA: 30 September 1993
Dark Justice - 1991 The Push 3-16 was released on: USA: 30 July 1993
If you mean to push them back in as when installing new brake shoes, they have to be screwed in. There is a special tools available, but in a pinch a pair of channel locks can be used.
Push - 2012 I was released on: USA: March 2012
Push - 2010 SUSPENDED was released on: USA: 2010
Push - 2013 I was released on: USA: 8 June 2013
Push to Open - 1998 was released on: USA: June 1998
Push Process - 2007 was released on: USA: December 2007
Push Ball - 1903 was released on: USA: April 1903
Push - 1998 Stakes - 1.8 was released on: USA: 1998
Push Over - 1981 VG was released on: USA: 1981
Everyday Push - 2013 was released on: USA: 2 November 2013
Push Nevada - 2002 was released on: USA: 17 September 2002