Another stylus for the iPhone and iPod touch? Sure, why not. Pyramid's iClooly-branded Multi-Touch Pen ($20) offers two different tips that can be used to interact with the screen of an iPhone or iPod touch: a hard plastic surface, and a soft brush-like tip that's hidden inside the expanding brass frame of the stylus. Both of the tips require somewhat unusual and different forms of pressure in order to be able to interact with Apple's touchscreens.…