I need to pick up a keychain... I have forgotten the key in my bike once. Luckily it was at work and I remembered it right away and walked right back out to the parking lot.
I have a silly excuse for "no keychain"... I just haven't found a cool enough one yet. I was thinking of stealing one of my kid's Naruto figures. Made sense to me since Naruto is a young ninja in an anime series.
Something like this:
