Used lots in SC GA with big (>7ft) tides and narrow areas for a number of reasons. Cheap
Danforth style stern with 100' rode
in a bag.
Big tides in narrow areas = heavy currents at tide change. Some cases over 4 kts.
With a single
hook forward, on the swing in a muck bottom, the anchor
breaks out, and at 4 kt current
drags rather than resets. With anchors out bow and stern, even in pluff mud bottom, no swing, no breakout, no problem.
Don't want to use it in a std anchorage where everyone else is expecting you to swing with the tide/wind. Unexpected results.
Also useful in a narrow area where you need to make sure you are not going to swing into the channel at 0200.