If slushies are effective at lowering the heat, National Party leader Simon Bridges might want to follow the lead of the Department of Corrections and install a slushy machine in his caucus room.
Some of his inmates are certainly showing signs of restlessness.
The worrying thing is the kind of thing Bridges is now being criticised for is from within his own ranks.
One is the treatment of the staff member who took down the petition against the UN Compact on Global Migration after the Christchurch terror attacks.
Then came criticism for his attacks on slushies for prison guards.