How do I cut a dovetail?
If you are a beginner, we recommend our sister site, Common Woodworking, which takes you through how to make a dovetail step by step:
Do you have anything to help cut consistent, even dovetails?
Would you ever gang cut dovetails?
We tend not to use the coping saw method for the majority of fine woodwork and furniture making, as it is not as precise and it takes quite a bit of practice to get as accurate as Paul is at it. There is also risk of tear-out. So for fine work we would use the method as seen in our making a dovetail video above. Paul might use a coping saw for rougher carpentry, but the cuts are consistently finer when done with the chisel.
There are several blogs discussing this: