You want to know how focused J.R. Smith is on turning in a monster performance in Game 4 of the 2015 NBA Finals? The Cleveland Cavaliers guard wants to reserve every erg of energy so badly that he arrived to Quicken Loans Arena by way of a vehicle that allows him to move without walking or moving his arms in any way: [ Follow Dunks Don't Lie on Tumblr: The best slams from all of basketball] That, friends, is a PhunkeeDuck . You might have seen something similar to J.R.'s new means of personal conveyance in the gossip blogs recently, as piloted by R&B artist/swell guy Chris Brown . That is apparently called the Hovertrax . Always good to learn that there's a competitive marketplace for hands-free walking substitutes that you'd never heard of. You know what? Let's run that back — this time, all together in a non-six-second format. Oh, man. The back-pat for Golden State Warriors reserve guard Shaun Livingston really just makes this whole thing sing, doesn't it? Smith's new ride costs $1,500 , so if you've been in the market for a Segway but felt like that just required too much hand usage, that's how much you'll need to pony up to get on Breezy and Swish's levels. If you want...