So I have been trying to use the knife tool, and I want to start my cut on an exsisting vertex.
I noticed that if I click knife tool in the tool menu, I get a knife cursor, and I cannot start cutting on an exsisting vertex -- I will always creat a new vertex no matter how hard I try to place my first cut near an exsisting one.
On the other hand, if I just press K, I magically get a knife with a tiny block beneath it, and I can select an exisiting vertex for a start now. How come that the hot key functions differently from the toolmenu option itself? I must have missed some feature of knife, right?