The snakes are supposed to let a tangle through a little easier as the functional opening is bigger (you can see this when you look at them from an angle). And, as mentioned, the singles use less epo ...
I am from Charleston. The reds are schooled up at that time of year. The guides report seeing schools of up to 200 reds at times (mainly moving up and down the intercoastal). "Tailing" is ...