18 May, 11:09
IRFU Chief Executive Philip Browne has issued a statement following confirmation of Ronan O'Gara's decision to retire from playing professional rugby.
Editor
(1) Player props up against goal post/scrummaging machine.
(2) Place 4 yellow markers (2ft x 1ft rectangle) where the LH prop's shoulders would be.
(3) Place 2 red markers where channel 1 would be i.e. between Flanker & LHS 2nd row.
(4) Place 2 white markers where LHS 2nd rows feet would be i.e. channel 2.
(5) Place 2 blue markers where RHS Locks feet would be i.e. channel 3.

(6) A ball is placed in the rectangle & the Hooker must strike the ball through the designated channel (10 balls; 4 to Ch. 1; 3 to Ch. 3) assess correct / good strikes out of each channel.
Sweep with back of heel rather than jab
Balls are fed into the rectangle on the Hookers signal - count successful strikes.
Minimum of 1 or 2 players.
NB: Use 3rd party as a LHP if available.