Jeremy Hart, a policeman who plays Premier Cricket with Footscray-Edgewater, is the latest bowler to embarrass the West Indies' middle order.
The West Indies will resume at 7-303 on day two of their two-day fixture against a Victorian XI in Geelong.
Hart grabbed four wickets on Saturday, inflicting a collapse of 5-31 with the help of Matt Doric.
Marlon Samuels smacked the legspinner for three consecutive boundaries in the morning session.
But Hart bounced back after tea, dismissing skipper Jason Holder, Jermaine Blackwood, Carlos Brathwaite and Jerome Taylor.
"With a bit of age and experience that's something you learn - as long as you're bowling you're always a chance to pull it back your way," the 30-year-old said.
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"With experience you learn to hold your cool and hopefully have an impact when you get the ball back."
Hart is yet to play first-class or List A cricket.
More accustomed to bowling with the regulation ball used in grade cricket, the tweaker admitted he struggled to control the turf ball in Geelong.
"I haven't used a turf ball for a couple of years now - when it's newer it's a bit more slippery for a leggie," he said.
"Once the ball wore itself in I was able to get a bit more of a grip on it."
Hart used to represent Geelong in Victorian Premier Cricket.
"Geelong was always my home and I wanted to come back. This year some family and work commitments took me to Footscray," he said.
Blackwood, who scored 69 in stifling heat, had mixed feelings about the innings given he was coming off a pair in the first Test.
"It was pretty good," he said.
"I didn't score any runs in Hobart so I just worked with the coaching staff in the nets.
"I'm just getting back in my flow. Hopefully I can continue."