Wicketkeeping positions were a big talking point, when the Blackcaps World Cup squad was announced.
Now, the two men given the nod - Tom Latham and Tom Blundell - are getting some specialist help from someone who's been there, done that.
Luke Ronchi is a familiar face in an unfamiliar role. At the Blackcaps' pre-World Cup camp in Christchurch, he made a debut - of sorts - as a coach.
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"It's almost been two years since playing," he told Newshub. "It's always cool to come back and be around the guys.
"That environment is pretty enjoyable - there's a lot of fun and stuff."
A T20 nomad since retiring from the Blackcaps in 2017, Ronchi will work alongside head coach Gary Stead and his area of expertise will be fielding - more specifically, working keepers Latham and Blundell.
"It's certainly nice having 'Roncs' here," said Latham. "He knows the fundamentals around keeping and things to work on.
"I'm sure he's going to be a huge help over the next couple of months."
Ronchi played 85 one-day internationals over a nine-year international career, including New Zealand's runner-up finish at the 2015 World Cup.
"Keepers are an integral part of the fielding group, with their energy, and if things look clean, the whole fielding part of the game looks clean," he said.
Co-incidentally, Latham has also played 85 ODI's for the Blackcaps - he was Ronchi's back-up four years ago, but he's still learning his craft.
"I haven't been doing it a huge amount of time, since I took the gloves over, but it's certainly about getting better in every area," said Latham.
Observes Ronchi: "It's different for every person, so you have to work with each individual in a way they move best and catch best."
Ronchi's contract will only run until the end of the World Cup, but this week's sessions were the first of many.