I use the line clips a lot Paul (the trick is using your fingernail to guide the line in),
but I also linked on the tackle tinkering page to this
soft velcro tape - you'll find other people's ideas on this thread
The velcro tape I use is sold for electronics as hook and loop cable tape, and in a few widths
https://smile.amazon.com/s?k=hook+and+l ... _sb_noss_2 I find a lot of other uses for it, also, securing rods in rod holders, holding 2-pc rods together - any kind of quick strapping that you want to be secure and easy to remove.
Here's another idea - elastic webbing with ladder-lock buckles:
https://www.tacklewarehouse.com/Dr_C_Fi ... rom=BASRESnote you can buy the parts cheaper to make many of your own
https://www.overstock.com/Home-Garden/S ... n=50945633https://www.amazon.com/Elastic-Sewing-S ... 0333&psc=1