check the date eric, this thread is 12 years old since the last comment, everyone overlooks that sometimes lol.
any way, if its my own personal stuff i use a drop of veggie oil in the bag. when exposed to water it will come right off and leave no scent at all.
as for flour and hooks thats old wives tail to absorb moisture to prevent rusting and there is truth to it but its far easier and less messy to just use raw uncooked rice instead