Rocket Science and brain surgery! Love it
. Now if I could only figure out how to tie the hook on the line I am set
Jim's way works great, if you have a partner what I have done is I use a carriage bolt put a nut and two large washers on the far side, put the spool of line on the bolt, add two more washers a spring, small washer and a wing nut. Tighten the wing-nut until the tension is good and have your wife, son, daughter, friend or whoever hold it while you reel the line on. You can buy fishing spool tools but pretty much they are the same thing. Also if you do not have someone to hold it, drill a hole through a board, slide the carriage bolt through then follow the same steps. Line goes on tight and as long as you guide it good level.