I like my Kizer Ti chopsticks a lot - the provided case is excellent. I'm confident that they will outlive me. Only complaint is that the color will fade. I bought the violet color, and after one wash it was already dull in comparison. I will say, I would have likely bought the silver versions. And, for a short while I considered buying a second pair for that reason. I then decided...I bought what I bought, what's done is done. These are already expensive, now they are simply my own. For better or worse :p I will use these until the day that I die, or until something else otherwise happens to them.
Pro tip #1: Use the provided case as a something to set the tips of your sticks on during your next bowl of ramen.
Pro tip #2: Line the inside (if not already) and cap of the case with a nice felt, which will prevent the sticks from clinking around within.
Mediocre human tip #1: If you want to bring them to a restaurant, go for it. Fuck what your friends or partner(s) think whom are with you. It'll be worth it, and the restaurant staff may oblige you with a free shot of sake (: