Fly & Indicator-Drier-Sheep Dip
There is no need for a fly drying patch that's "useless" when wet. Sheep Dip is the ultimate solution for a waterlogged fly or indicator, with the indicator or your fly still attached to your line. Remove the excess water, pop it in, and quickly shake you're Sheep Dip! You'll be back in action in seconds - it's that simple! Bob's your uncle (as they say)!
They are used by all the top world fly fishermen and guides.