In his epic thread on making diatom slides... viewtopic.php?f=10&t=3036&start=60
...my friend rnabholz mentions getting one and digging it! Now I wonder where I got the hint, as I'm 99.99% sure I didn't think it up all by myself. Oh well, thank you whoever you were...
I also have nimble fingers, but a recurring problem was inadvertently hoisting aloft more than one slip, then having the "extras" bail out in midair. This vacuum pen makes that very easy to avoid, and when I persist in finding new ways to be an idiot, it, along with a flashlight (torch) shone at grazing angles, makes retrieving them from off the floor a (relative) snap.
And the quality is truly remarkable for something so inexpensive by anyone's standard.