Orient donated their away kits to Gillingham before this game and then put a stylish display of football on the pitch, tonight.
It was a night for Orient players who toil hard without reward to add goals to their work-rate against a Gills side led by Mark Stimson who do not travel well right now.
Ryan Jarvis and Jimmy Smith did just that as each got on the score-sheet in this League One game, and Orient scored more than two goals at home for the first time since the last game of the 2007-08 season.
The lead-up to this clash at Brisbane Road would have done nothing to aid Gills' travel pains. A lone protester on a roof in Leytonstone brought the A12 road to a stand-still for most of the afternoon and the early part of the evening.
Some Gills' players arrived in the nick of time. Their kit did not arrive at all.
But the grind-lock did not hamper the hosts who produced a fluent performance wit plenty of attacking verve.
Orient fans have often mulled on when Ryan Jarvis would get his work-rate up front rewarded with a goal, and he gave an answer early tonight.
The striker pinged a crisp volley straight into the net with just three minutes gone for his third goal of the campaign.
He was supplied by Jimmy Smith who had collected Charlie Daniel's pass from out wide and then laid the ball to the hitman, who was lurking near the penalty spot.
The action came thick and fast in an entertaining first half in which Gillingham did not look distracted by the chaos that had engulfed their pre-match preparation.
They threatened from time to time, and Curtis Weston struck was sharp to sink Orient hearts on 18 minutes when he pounced and scored after keeper Jamie Jones had spilled Simeon Jackson's shot into his path.
Lapses at the back have been Orient's Achilles heel so far this season, but in Sean Thornton they have a quality performer who can make things at the other end.
He put the hosts back in front on 26 minutes with a 25 yard strike into the net which had Gills keeper Simon Royce diving at full stretch grasping at thin air. The Irishman had even taken a few moments to decide where he wanted to place it.
Orient had this match wrapped up three minutes into the second half.
Jimmy Smith steamed up the field so that Luke Summerfield could lay off to him after his own surging run. Under pressure from two defenders he turned inside with one touch and then with a second he stroked his shot into the far left corner past Royce.
Gillingham had spells of pressure but threatened only rarely.
Jones was superb to save Simeon Jackson's low shot through a crowd of players on the hour mark. Gills boss had just thrown on secret-weapon Febian Brandy and the game was poised as Gills piled on an extended spell of pressure.
The win moves Orient up to 17th in the League One table and now they can go into Saturday's clash with Swindon full of confidence.
Attendance: 3,183, including 711 Gills fans.
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