It goes up and down but never moves forward. What is it?

I bring two sides together, with a sound and a pull. I keep your jacket snug around you. Solve the riddle → It always points in the same direction, but has no legs of its own. What is it? Solve the riddle → I have two blades and cut paper or string. What am I? Solve the riddle → What is huge, has a long trunk and big ears? Solve the riddle → With a sharp point and a pencil held tight, I draw the finest circles, clear and bright. One leg stands firm, the other goes around. What tool am I, without making a sound? Solve the riddle →