Connacht calmed themselves and drove steadily into Blues territory and won a straightforward penalty chance, only for Andy Dunne to hook his kick horribly.
Another penalty for not rolling away at a ruck allowed Hook to kick his second penalty, bringing Wales back to just 6-7 behind as the half-hour mark approached.
Ireland's discipline again failed them, but this time in front of the posts, Hook sent his kick sailing through the uprights for Wales' first points.
Ireland coughed up a penalty under pressure in defence but Hook saw his kick from tight on the left touchline ricochet back off the post.
It took Villa 22 minutes to win their first corner but Stoke keeper Thomas Sorensen got a firm fist to Ashley Young's kick and his right hook was in action again as Young curled in a free-kick after debutant Abdoulaye Faye fouled Villa striker John Carew.
Between them, Jones and James Hook have not missed a kick at goal yet in the tournament.
Just as the footsteps reached the top of the stairs, as the phone rattled in its metal hook, I'd kick the modem out of the wall, killing the connection.
But with a sniff of victory in their nostrils Wales were knocked back when the excellent Jerome Kaino caught Hook as he tried to kick, leading to a try for wing Toeava.
Hook cut that lead soon after with a kick of his own as Irish were penalised for failing to roll away.
Hook ended the sequence by missing his next kick, shaving the outside of the right post from 35 metres away and straight.
Hook created it, firing a delightful cross-field kick into the grateful arms of Williams on the wing.
There was a scare for Celtic when 'keeper Rab Douglas dropped a corner kick but Stanislav Varga was on hand to hook the ball to safety.
However, Hook missed both conversions - the first regulation, the second a difficult kick from tight on the right touchline - and the home advantage was only 10-0.
It was an unnecessary challenge from the Belgian but he was let off the hook when Hart dived to his left to claw away Fabregas's spot kick.
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