The skilful midfielder scored a hat-trick against Crewe last weekend in only the fifth appearance of his loan spell at Swindon Town.
"It’s a big season for me, massive, I know that,” Mason told the Spurs website.
“To be fair, in all my previous loans (Yeovil, Millwall, Doncaster) apart from Yeovil I’ve ended up playing out of position and being in and out of the team.
“This time, I’m hoping to get 30 or 40 games in my position and off the back of that, score goals. It’s much easier to shine in a team like this, with the players here who all want to get the ball down and play.”
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