It's a task previously taken on by the likes of Manchester United, Chelsea and, er, St Johnstone’s youth team – and now that list has been bolstered.
The remit is simple: each player must head the ball down the line, before the final man nods into a (presumably empty) bin to complete the party trick.
And just look what it means to these Cruz Azul players...
The move starts at 0:50
Actually, it may well have been more than the match they were preparing for – the Mexican giants drew 0-0 with Albrijes, from the division below.
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