I'm A Banana
Potassium-Rich
Glad to see the Hand Police that suffused late 3e and 4e are alive and well... 
My houserule: "It is a free action to change what you are holding in your hands on your turn."
This only interferes with spells cast as a reaction - if you didn't have your doodad in your hands at the end of your last turn, you won't be able to put it back in your hands to cast a spell as a reaction.

My houserule: "It is a free action to change what you are holding in your hands on your turn."
This only interferes with spells cast as a reaction - if you didn't have your doodad in your hands at the end of your last turn, you won't be able to put it back in your hands to cast a spell as a reaction.