soon , thanks to petros 's scuffle over the affections of a british girl-band member , they were summarily ejected from the bar and decamped en masse to a cramped , sweaty shack of a bar in the depths of dalston , where a trio of stern-faced jamaicans slung drinks from a vat of potent cocktails , and alice 's scrap of bright red lycra stood out like a flaring neon sign among the scruffy plaid shirts and skinny jeans in attendance .