Is there any way to widen palate at home without a palate expander?

[maddoxgmoggsu]

Title

 

[ryuken]

You need constant force so no

 

[Haseeb]

Title

Take a jack which you use for your car when you get a flat, place it between the upper arch and just crank it. 40 cm pallete in no time

 

[milkcuck]

Thumb pulling might work but really you would need something like MSE likely