LockMeBaby is a small GUI for "chflags uchg/nouchg" command that actually lock/unlock files.
By selecting files/folders you want to lock (or unlock) in the file browser (yes, you can make multiple selections), you can make it with just a few mouse clicks instead of the tedious Operation that is; opening info window and clicking "Locked" checkbox for each of the files.
New Features in 1.1.2
* LockMeBaby is now Universal Binary
* Fixed a few small bugs. (See READ_ME file for details)