--

Tea ball

                      press here
        _..._          ___|___
      .:::::::.      _/       \
     J:::::::::L_   /o)---------------------.--..
     |:::::::::|_\_//                      /    \\
    ============_/O\                      (      )) <- spring
     |:::::::::|_/ \\_                     \    //
     J:::::::::F    \o)---------------------`---'
      `:::::::'       \___ ___/
         """              |
                       and here               VK/jg