And do you really need it. ?
I realised tonight the only thing i've ever used my Opinel #6 (which i always carry*) for is cutting the tops off Wayfarers so my folding Ti spork can reach the dregs.
I've always found it reassuring carrying it (big city mentality*) but it's pretty pointless for me when i think about it, i could nick it with my teeth and rip it off,
plus i could save 26gr. 
Multi tools i find a complete waste of weight, ( mines 137 grams) i can't think of a single piece of kit i own that could ever need a Philips head, or straight, nor a toothpick or saw, etc etc.
So do you carry a knife, and do you ever actually use it?, a question driven by my intent (pardon the pun) to cut pack weight even further this year.
* I don't carry a knife outside hill trips, unless i'm out on't rob.
Include a little history in your walks. Pecsaetan - Ancient Derbyshire, Staffordshire and South Yorkshire - http://pecsaetan.weebly.com/