It's a band saw but the blade for it is rather thin. Coping saw thing or so, but in a smaller bandsaw.
As for the polyps, there are sometimes clean separations and other times there isn't. With the ones which aren't clean, you basically tear the flesh. Try not to cut that deep where that happens. Corals heal faster when it's torn versus being cut.
As for the polyps, there are sometimes clean separations and other times there isn't. With the ones which aren't clean, you basically tear the flesh. Try not to cut that deep where that happens. Corals heal faster when it's torn versus being cut.