Jimmy Fallon Thanks Bruce Jenner's New Mullet For Finally Explaining Donald Trump's Hair

08/09/2014 11:33 am ET | Updated Aug 09, 2014

Jimmy Fallon's latest round of Thank You Notes had some tough love for "Expendables 3", "The Today Show" and fish sticks. But it also explained a mystery that has dogged most of us for decades: what the hockey puck is happening on top of Donald Trump's head?

Turns out, Bruce Jenner's lamentable new 'do holds the key to the world's most inscrutable hair piece cut.

"The Tonight Show" airs weeknights at 11:35 p.m. ET on NBC.

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Jimmy Fallon!