It's a Philly thing: Police will grease poles ahead of Eagles

Philly PD grease light poles with hydraulic fluid

Why are police greasing poles in Philadelphia ahead of the NFC Championship Game? - AS USA

No Super Bowl needed: Grease pole tradition continues at Philly's 9th Street Market - WHYY

Philly cops have new plan to keep idiot Eagles fans from light poles

Photos from Philadelphia police grease light poles to prevent fans from climbing them

Greased poles in focus as Philly fans flock to streets after Eagles' win earns team trip to Super Bowl - CBS News

Sold-out 'grease pole' t-shirts will be available in Old City

Philly Set to Grease Poles in Anticipation of Eagles Celebration – NBC10 Philadelphia

Philadelphia sports fans' history of aggression has city on edge