You take the butterfly knife, spin it a bit, and put it into your pocket. This might actually have a use, unlike BAT.
You take the piece of paper, and go to the address, took you a bit of walking, since it was pretty far away. BIKE might of been good, but the roads are too snowy. The house you find has a doorbell and a rope
A) Ring doorbell
B) Pull rope
C) Break in through window with BAT.