If the defenceman is in the lead or is actually even with the pursuing forward, the linesman will call icing.
They were going into every challenge full-blooded and Chris Gunter showed no mercy as he challenged Danny Lafferty so forcefully he sent the Northern Ireland international flying over the advertising hoardings, wiped the linesman out and also saw a ball boy require lengthy treatment that ended in the youngster being carried away on the stretcher.
This is a country in which the then Hearts winger Saulius Mikoliunas was banned in 2005 for seven games – reduced to five on appeal – for accosting a linesman in little more of an aggressive manner than Bougherra displayed at Celtic Park.
Basically, under hybrid icing, the linesman has to make a judgment call by the time two players racing for the puck hit the face-off dots as to which one has the better chance of touching the puck first.
After all, this increased activity in female worship follows hard upon the broadcaster's recent complications with its leading football presenters and certain aspersions cast on the professional abilities of a female linesman.
A linesman flagged as Shaw's tackle went in, and if the referee, Alan Wilkie, had stopped the play at that point considerable trouble would have been avoided.
In that second-half moment when they did put the ball in Rangers' net, a linesman had correctly signalled for offside long before.
But the Welsh linesman, Mervyn Griffiths, waved his flag, and the English referee, Bill Ling, gave Puskas offside.
It is rather as if, while the GTEs, Guinnesses and Reed Elseviers of this world are scoring spectacular goals at one end of the pitch, news has sneaked out that the referee and the linesman are planning to marry.
The linesman, the father of an Almere player, died the next day.
An eternity then follows as the referee consults the "Russian linesman" (whom, despite his moniker, everyone can tell you was actually Azerbaijani), and the goal is awarded.
