Jump the final hurdles

The bar was crowded and the noise and laughter was seemingly getting louder at the night wore on and alcohol took its effect. One man though sat silently nursing his pint his eyes focused on the man just a few metres away. His gaze was noticed and the man he was staring at and his companions were ready for any eventuality. As closing time moved closer the man made his move; he walked towards the group of friends his hand reaching inside his jacket pocket...