We have been running weed whacker line for the last 3 or 4 seasons and it seems to work out really well . One thing we do is to lube the line as it is going out with a silicone wipe . The releases we use are connected to the board line with a shower curtian hook and slide down the line very easy .One thing to be carefull of is the amount of weed whacker line that you put on the reel DO NOT FILL TO THE MAX if you have plastic reels . The sun will make the weed whacker line expand and you could possibly blow the side out of you reel .
I have no problem with memory in this line once it is strecthed a time or two .Also I connect to the board with a clip and no snubber as there is some give in this line . Also I will run 6 to 8 lines per side depending on the bite .


Good luck and have a safe season