article_snippet.sent: McGowan has been fitted with an electronic tag on McGowan ankle and, if selected by Hartley, it's understood the match-day referee would need to inspect the device before each game to ensure there are no health and safety risks.
article_snippet.sent: Law 4 in the Laws of the Game states: 'A player must not use equipment or wear anything that is dangerous to A player or another player (including any kind of jewellery).'
article_snippet.sent: I've seen it happen before in English football
article_snippet.sent: McGowan goes in with a high challenge on St Johnstone's Simon Lappin (right) at McDiarmid Park .