TrickSlide is yet another entry into the TweakWeek series of iPhone jailbreak tweaks. Although the name may sound cunning and cutting edge, at the end of the day, this is nothing more than a glorified WinterBoard theme, without actually having to use WinterBoard.
Not that there's anything wrong with that, but this same functionality can, and has been easily accomplished in the past by use of clever WinterBoard theming.
All that TrickSlide aims to do is to hide your "Slide to Unlock" nub on your iPhone's lock screen; nothing more, nothing less...