But he didn't change sponsor, just a cue.
The interesting part is both his last cue and this one are not of the shelf Viking cues while he still wear the Viking logo on his shirt and Viking are not on his sponsors list on his web site, just Triple 60 (which is still Viking), maybe they make customs for him, maybe they are Triple 60 prototype cues.
Some find it interesting without the urge to buy anything or thinking that getting it will make them a better player, just a point of view of a gear head.