Moist hides

[Invisible Snake]

Sushi box humid hide- Quick and easy! - sSNAKESs : Reptile Forum

[Artic Exotics]

I feel your pain, freezing cold temps mixed with soooo dry air. We must be on similiar latitude lol. I use a twofold approach. Household humidifier in the snake room - Tupperware humid hides with the sphagnum moss inside the enclosure. Perfect sheds :-)