Possibly the most integral rule in any sport teeters above or below the thinest of observed perfect horizontal lines around. The Onside/Offside design from 3NIL displays that slight margin which separates being on from being off. Think about that distinction with regards to anything. Like a toaster in a bath tub. That distinction is important. Check it:
Get it right and it is one of the most incredible things to see in a game of football. A telepathic understanding between passer and run-maker can unhinge the most disciplined of defences.
Get one here at the online 3NIL FC online megastore.