One of those things is what, and what not to bring. I learned the hard way a couple of times that a spare throttle and clutch cable will keep from sitting on the side of the road. Or cursing like a sailor 'cos its Sunday and no shop is open.
Well story is this guy rode from LA to Vegas with this Macgyver fix. It works. Most of us have done the exact thing. 10-1 next ride he's got a spare set of cable to go in that tool roll