Finding a patient goal to target, like the grandmother who wants her heart failure controlled enough that her feet don't swell out of her Sunday shoes.
"At 28, 000 feet, you don't have an awful lot of useful consciousness without the support of oxygen or being in a pressurized aircraft, " said O'Brien, a former CNN correspondent.
"The size of your feet change, and shoes don't fit you right, " says Thom David, a barefoot runner from Oceanside, Calif.
He also specializes in shots taken 16-23 feet from the basket that don't require the sort of ball movement that Lin has brought to the offense.
"Joe Pesci always said I'd end up with my feet in cement - I don't think this is what he had in mind, " the actor joked, referring to his co-star in the mob movie Goodfellas.
"I don't want my feet to end up looking insane and horrific, " she says.
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"I wasn't really there, my feet weren't moving -- I don't know what happened, " she told the official WTA website.
Search and rescue crews recovered the bodies several hours after the slide, which was about 600 feet wide and eight feet deep, said Clear Creek County Sheriff Don Krueger.
They want the ball at their feet, treating it with care and making sure they don't give it away.
Some Stormont ministers may breathe a sigh of relief that they don't have to think on their feet, dealing with up to the minute events.
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What you don't see is under the water the webbed feet doing like this (demonstrates).
These modern techniques try and reduce disruption for Londoners, most of whom don't know what's going on below their feet.
While young urban Russians have itchy feet, most of the older generation and those who live in rural Russia don't even have a foreign passport.
But if you don't have room for these maneuvers, you have to brake with your feet, sending gouts of snowy slush right at your face.
"I don't know if it's because people are paying more attention to their feet now, " says Neal Blitz, chief of foot surgery at Bronx-Lebanon Hospital Center.
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So for me, I constantly have to be looking down at my feet to make sure I place them some place that they're going to stay because I don't know when they're going to spit off and when I'm going to fall.
"If you don't have a good pair of boots, it'll burn clear through to your feet, " said roofer Zach Bruner in Evansville, Indiana, where he said the 103-degree temperatures were spiking to 130 on the job site.
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