warped key

[Jim Coleman, Sr.]

Hi Wim:

In emergencies in home locations I have a few time with good results taken
the key out and wet it on all sides and with contrary pressure or twisting
have been able to straighten or unwarp the keys by passing the dampened
portion over a burner of the kitchen stove. Pass it back and forth for 
as long as your hands can stand it without burning them. The dampening helps
the cells move and keeps the wood from turning dark.

Jim Coleman, Sr.

PS A better solution would be to use a heat gun instead of the flame or
heating element of the stove.