To see the tool in action, see the animated gif below of me spooling up a spinning reel with braided line
Be aware, and this is important, that lead weight is not too critical for pencil plugs, poppers or needlefish plugs, but it is for darters, which work best at neutral buoyancy
This is another scenario in which you dont have to get sexy with your particular color selection
During autumn, when gradually cooler water temperatures trigger active fish and eliminate the need for extreme finesse, Ill often go ultra simple, with a two-pronged approach, for this style of fishing
Some Japanese companies like Sakura make them and years ago, Tenkara USA made their now discontinued Ebisu (pictured top above) which had somewhat of a cult following