Since Rio improved their spools, I save them all. With the locking mechanism just drop the leader into the groove, snap and lock, then spool it up.
A good wash and dressing will make them su-weet next spring.
I know guys who store them on the fire station hose tower to keep them straight! Also, another who uses those telephone co. spools to make the loops bigger. I just use the first big fish to pull the line in the spring
Fat lady? Nah Rhody's just turning on!