What you need is one of those built in to the cell phone. Just be careful which button you press when answering the phone …
Nice. Is it an assisted opener?
Of course! 
I forgot the original question of the OP in my reply. Sorry. That is a nice peice of engineering and looks like it would fit a hand well.
To the post about never having carried a knife. Carry one for a month and you’ll never be without again. Opening those indestructable package wraps, cutting a peice ot twine, tightening a screw, stripping a wire, cutting a toy loose from a dozen twist ties that they feel the need to wrap it in, that kinda thing.
silenus - at $2995 I hope you’ve been a very good boy! That is a beauty but way too nice to ever actually use for anything.
Dang, at almost $3000.00 that knife is worth more than all my outfits put together.
I bought a Buck 112 about 20 years ago, and I love it. Durable, good size and weight, maintains an edge, locking blade, and the handle feels better in my hand the more it is used.
These days, I don’t need to carry a knife on my person on a day-to-day basis (not much call for it in the corporate world, and it’s a little overkill as a letter opener), but I keep it in my toolbag. Although the poster who mentioned keeping his knife in his car inspired me- might be nice to have it accessible from time to time.
[Darth Vader] Nooooooooooo[/DV] use a screwdriver not a good knife please.
I’ve carried a small knife for as long as I can remember. I used to carry Swiss Army knives, but the handles eventually came off on all mine. I currently carry a CRKT KISS 5510 on my keychain, and use it all the time. I highly recommend them.