Im pretty new to blender and am trying out tools to learn about it. im trying to make a frog character and want to cut out a mouth. but i can select ok with the knife tool, but once i hit enter, its selects totally random edges, in different place[ATTACH=CONFIG]216069[/ATTACH]
than were i selected originally. Photo one is screen shot of were i want to select and the blend file under is were the knife tool has randomly selected.