Tips you need to know before using fishing line spooler tight the top screw cap and keep the rotor parallel to the frame before loading line spool to the rotor. Adjust the middle knob according to the width of your line spool to get the proper tension note for using with Bait casting and Trolling reels Tie some lines on the reel first. Attach the reel to the handle. Attach the line spool to the rotor. Start spooling the line to your reel. Loosen the top screw cap when the rotor can spin itself.